Battery Chargers

Not all battery chargers are created equal.

We have smart chargers for all types of batteries and vehicles. Easy to use, always safe. See below for more detailed information on our chargers.

CTEK UC 800 6V

CTEK UCS 800

The perfect smarter charger for your vintage cars, motorcycles and other 6V vehicles

The UC 800 (Part No. 56-191) is a the battery charger that gives your old car a new life. It is a complete 6V battery charger in a diminutive format that charges everything from small batteries of 1Ah up to the larger tractor batteries.

Perfect for charging your vintage car and a scooter.

Includes two interchangeable connection leads, one with clamps, and one with eyelet terminals. See complementary accessories.

Troubleshooting Guide | Manual

Additional DescriptionMore Details

Perfect Battery Charger for Vintage

CTEK offers a wide range of NEW GENERATION battery chargers. Unlike old battery chargers, CTEK chargers are designed with a focus on simplicity, safety and flexibility. The UC 800 is the ultimate charger choice for 6V vehicles. It is perfectly suited for vintage cars and motorcycles and other 6V vehicles up to 100Ah.

Flexible care for battery needs

All CTEK chargers are developed to take special care of the batteries in the vehicle and at the same time focus on the safety of the person and the vehicle. Depending on the weather conditions, usage and the type of battery dictate the care that the battery needs. CTEK chargers are developed to handle virtually all lead-acid batteries, weather conditions and vehicle types. The importance of battery charging is clear when the statistics show that 70% of all battery returns are due to poorly charged batteries. Save time, money and work by charging batteries with a CTEK charger.

Fully-automatic - for charging and maintenance

There is no need for any specific knowledge of batteries or their charging methods; the UC 800 will take care of it. The charger takes its own readings and then begins to charge the battery. Once it is finished charging, it will automatically switch to its maintenance phase - CTEK's patented pulse charging - arguably the most caring mode for a battery connected for a long time. The UC 800 can be connected for months, which is especially important for seasonal vehicles.

Patented desulphation function

Unused batteries lose their power and their life is shortened through sulphation. It is also more difficult to charge sulfated batteries. The UC 800 has a patented method for reconditioning sulfated batteries. The charger analyzes the state of the battery and, if possible, recovers the battery and its power.

Compatible with other electronic equipment

Most vehicles today are equipped with sensitive electronic systems. Unlike less-sophisticated chargers, there is no need to disconnect the battery; the UC 800 is specially designed to not damage electronic systems.

Made for all weather conditions and situations

The UC 800 is prepared to charge and maintain, no matter the weather, temperature or situation. The UC 800 is very light and compact, but it is extremely robust and water and dust resistant (IP65 classification). The UC 800 is certified for use between -4°F and +122°F. In order to make things easier and more convenient, the Comfort Connect (eyelet terminals) can be permanently connected to the vehicle's battery.

Designed for safety

All CTEK models are designed to consider the safety of the user. They are spark free, making the connection much easier and safer considering the gases batteries normally produce. The UC 800 is also protected from reverse-polarity connections and is short-circuit proof. A red light on the charger will simply indicate that the charging cannot begin until the user has connected the charger correctly.

4 Step Charging Process

UC800 4 Steps

Technical Data

Spec Data
Part No. 56-191
Input voltage AC 100-120VAC, 50-60Hz
Output voltage Nominal: 6V
Efficiency HIGH 85%
Charging voltage 7.2V
Charging current 0.8A max
Back current drain* <1mAh per month
Ripple** 2%
Ambient temperature -4°F to +122°F, output power is reduced automatically at higher temperatures
Type of charger 4 step, fully automatic switch mode with pulse maintenance
Type of batteries 6V lead-acid batteries (Wet, MF, AGM, and most GEL)
Battery capacity 1.2-100Ah
Dimensions (LxWxH) 5½ x 2 x 1½ inches
Insulation IP65 (splash and dust proof)
Certifications UL
Weight 0.7lbs
Warranty 5 years

*) Back current drain is what drains the battery if the charger is connected without the power cord connected.
**) Ripple describes the quality of the current and voltage. A high current ripple heats the battery and shortens its life. A linear charger has a current ripple of 70-400% which is much larger than the maximum 5% for a modern sealed battery. High voltage ripple could harm other equipment that is connected to the battery. UC 800 delivers voltage and current with very low ripple. The battery has a long service life and there is no risk of damage to other electronic devices connected to the battery.


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$54.99Price:
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CTEK US 0.8

CTEK US 0.8

US 0.8 (Part No. 56-865) is CTEK’s smallest 12 V charger. It offers state of the art technology and is perfect for charging smaller 12 V batteries that can be found in motorcycles, jet skis, ATVs and lawnmowers. It is also suitable for maintenance charging “normal- sized” batteries such as car batteries.

The unique display allows the user to follow the entire charging process. The US 0.8 is a compact and fully automatic 6-step charger for 12 V batteries from 1.2–32 Ah and is suitable for maintenance charging up to 100 Ah. The US 0.8 is splash and dust proof, delivers 0.8 A and is designed to protect vehicle electronics. It is non-sparking, reverse polarity protected and shortcircuit proof. The US 0.8 is delivered with 5-year warranty.

Additional DescriptionMore Details

Features

  • Fully automatic charging and maintenance in 6 steps maximizes battery life and performance
  • Numerous accessories simplify using the same charger for multiple batteries
  • Water-resistant so that the solution could be taken to the problem even if it rains or snows
  • Patented maintenance charge for a unique combination of maximized life and performance
  • Patented desulphation that extends the battery life
  • No sparks, short-circuit proof and reverse-polarity protected for untroubled usage

Technical Data

Spec Data
Part No. 56-865
Charging voltage 14.4V
Charging current Max 0.8 A
Type of charger 6 step, fully automatic charging cycle
Type of battery 12V lead-acid batteries
Battery capacity 1.2-32 Ah, up to 100 Ah for maintenance

$49.99Price:
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CTEK Multi US 3300

CTEK Multi US 3300

Our most popular, flexible and versatile smarter charger

The MULTI US 3300 (Part No. 56-158) is a versatile battery charger in a compact format that makes it convenient and easy to charge and maintain all household vehicles. The special cold mode means that you can also charge during cold winters days without problems.

Perfect for car, vintage car, personal water craft, boats with one battery, boats with start & service battery, scooter, motorcycle, Quad/ATV, lawnmower, caravan, and tractor.

Includes two interchangeable connection leads, one with clamps, and one with eyelet terminals. See complementary accessories.

Testimonials | Troubleshooting Guide | Manual

Additional DescriptionMore Details

A Great All-Around Charger

CTEK offers a wide range of NEW GENERATION battery chargers. Unlike old battery chargers, CTEK chargers are designed with a focus on simplicity, safety and flexibility. The MULTI US 3300 is the charger that every household needs. It is perfectly suited for motorcycles, cars, lawn mowers, jet skis and any other vehicle with batteries up to 120Ah. Simply connect it and battery problems are in the past.

Fully automatic - for charging and maintenance

There is no need for any specific knowledge of batteries or their charging methods; the MULTI US 3300 will take care it. Once switched to the preferred mode, the charger takes its own readings and then begins to charge the battery. Once it is finished charging, it will automatically switch to its maintenance phase - CTEK's patented pulse charging - arguably the most caring mode for a battery connected for a long time. Simply connect it to solve most battery problems from the past.

Flexible for different battery needs

The MULTI US 3300 is specifically developed for different needs, vehicles and batteries. There is a choice between three different modes. The low current mode (the motorcycle icon) is perfect for smaller 12V batteries such as motorbikes, lawn mowers, jet skies, snowmobiles, etc. The higher current mode (the car icon) is for automotive or marine applications with larger batteries. Finally, an additional winter mode (the snowflake) is specifically aimed at charging and maintenance in cold weather. It is also perfectly suited for Optima Red Top batteries.

Patented desulphation function

Unused batteries lose their power and their life is shortened through sulphation. It is also more difficult to charge sulfated batteries. The MULTI US 3300 has a patented method for reconditioning sulfated batteries. The charger analyzes the state of the battery and, if possible, recovers the battery and its power.

Compatible with other electronic equipment

Most vehicles today are equipped with sensitive electronic systems. Unlike less-sophisticated chargers, there is no need to disconnect the battery; the MULTI US 3300 is specially designed to not damage electronic systems.

Made for all weather conditions and situations

The MULTI US 3300 is prepared to charge and maintain, no matter the weather, temperature or situation. The MULTI US 3300 is extremely robust and water and dust resistant (IP65 classification). The MULTI US 3300 is certified for use between -4°F and +122°F. In order to make things easier and more convenient, the Comfort Connect (eyelet terminals) can be permanently connected to the vehicle's battery.

Designed for safety

All CTEK models are designed to consider the safety of the user. They are spark free, making the connection much easier and safer considering the gases batteries normally produce. The MULTI US 3300 is also protected from reverse-polarity connections and is short-circuit proof. A red light on the charger will simply indicate that the charging cannot begin until the user has connected the charger correctly.

4 Step Charging Process

MUS3300 4 Steps

Technical Data

Spec Data
Part No. 56-158
Input voltage AC 85-125VAC, 50-60Hz
Output voltage Nominal: 12V
Efficiency HIGH 85%
Charging voltage 14.4V /14.7V
Charging current 0.8/3.3A max
Back current drain* <1Ah per month
Ripple** 2%
Ambient temperature -4°F to +122°F, output power is reduced automatically at higher temperatures
Type of charger 4 step, fully automatic switch mode with pulse maintenance
Type of batteries 12V lead-acid batteries (Wet, MF, AGM, GEL and Ca)
Battery capacity 1.2-120Ah
Dimensions (LxWxH) 6½ x 2 x 1½ inches
Insulation IP65 (splash and dust proof)
Certifications UL
Weight 1.1lbs
Warranty 5 years

*) Back current drain is what drains the battery if the charger is connected without the power cord connected.
**) Ripple describes the quality of the current and voltage. A high current ripple heats the battery and shortens its life. A linear charger has a current ripple of 70-400% which is much larger than the maximum 5% for a modern sealed battery. High voltage ripple could harm other equipment that is connected to the battery. MULTI US 3300 delivers voltage and current with very low ripple. The battery has a long service life and there is no risk of damage to other electronic devices connected to the battery.


$74.99Price:
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CTEK MUS 4.3 TEST&CHARGE

ADVANCED CHARGER WITH UNIQUE BATTERY AND ALTERNATOR TESTING

The MUS 4.3 TEST&CHARGE (Part No. 56-959) combines an advanced micro-processor controlled battery charger with a battery and alternator test function to provide the ultimate in battery testing, charging and maintenance.

Charging
The MUS 4.3 TEST&CHARGE provides excellent performance on batteries from 1.2Ah up to 110Ah. The charger solves a broad range of battery problems and features include a patented automatic desulphation program and a special reconditioning function that will revive and restore deeply discharged and stratified batteries. The patented Float/Pulse maintenance makes the charger ideal for long-term maintenance. The Recond and ‘Snowflake’ modes operate individually or together in both 0.8A and 4.3A programs providing great flexibility for the user.

Testing
Three easy to use programs to test battery voltage, start power and alternator performance to provide a complete picture of battery and vehicle charging system health.

The MUS 4.3 TEST&CHARGE is easy and safe to use, protects vehicle electronics, spark-free, reverse polarity protected and short circuit proof. The MUS 4.3 TEST&CHARGE features a 5 year warranty.

Additional DescriptionMore Details

Features

  • Complete Battery Care - Unique and patented system to recover, charge and maintain all lead–acid battery types to maximize performance and extend life.
  • Safe and easy to use - User safety through spark free operation and reverse polarity protection. Vehicle electrical safety through exceptionally clean voltage and current delivery with no surges or spikes. No need to disconnect battery from the vehicle when charging.
  • Connect and Forget - Simple plug and play operation. Select the program and mode and leave the charger to do the rest.
  • Unique 8 step charging - The patented 8 step program tests battery condition and revives, charges and maintains to ensure maximum battery life and performance. RECOND recovers deep discharged and stratified batteries. FLOAT/PULSE maintenance ensures ideal battery care during periods of inactivity.
  • Tests Battery and Alternator - Three unique and simple to perform test programs to establish condition and performance of battery and vehicle charging system.
  • Extends battery life - The unique features of CTEK chargers combine to maximize performance and extend battery life.

Technical Data

Spec Data
Part No. 56-959
Input voltage 100-115 VAC
Charge voltage 14.4 / 14.7 / 15.8 V
Charge current Max 4.3 A
Type of charger 8 step, fully automatic charging cycle,

3 voltage test programs
Type of battery 12V lead-acid batteries (Wet, MF, AGM, GEL)
Battery Capacity 1.2-110 Ah, up to 160 Ah for maintenance
Insulation IP65 (splash and dust proof)

$119.99Price:
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CTEK Multi US 7002

CTEK Multi US 7002

Our most universal, unique and technologically advanced smarter charger

The MULTI US 7002 (Part No. 56-353) is the ideal battery charger for your caravan, car and boat. The battery charger is well suited for all-year use. Thanks to its SUPPLY mode the battery charger provides power even without a battery. The SUPPLY mode is indispensable when changing the battery as you avoid losing complicated program settings.

Perfect for vintage car, boats with one battery, boats with start & service battery, boats with start & service bank, scooter, motorcycle, Quad/ATV, lawnmower, caravan, and tractor.

Includes two interchangeable connection leads, one with clamps, and one with eyelet terminals. See complementary accessories.

Testimonials | Troubleshooting Guide | Manual

Additional DescriptionMore Details

The Universal Charger

A NEW GENERATION of CTEK universal charger, the MULTI US 7002 has a unique 8-step charging curve. This new refined technology developed by CTEK ensures that the vehicle's battery gets the best possible care. It even analyzes if the battery can hold the charge given. If it cannot, the battery is faulty and needs to be replaced. The CTEK chargers are developed for safety: personal, vehicle and battery.

Fully automatic - for charging and maintenance

There is no need for any specific knowledge of batteries or their charging methods; the MULTI US 7002 will take care of that. Once you switched to the preferred mode, the charger takes its own readings and then begins to charge the battery in 8 steps, including pulse maintenance for best performance and service life (arguably the most caring mode for a battery connected for a long time - a CTEK patented system). It is also perfectly suited for Optima Yellow Top batteries. The MULTI US 7002 can also be connected for months, which is ideal for seasonal vehicles.

Patented desulphation function

Unused batteries lose their power and their life is shortened through sulphation. It is also more difficult to charge sulfated batteries. The MULTI US 7002 has a patented method for reconditioning sulfated batteries. The charger analyzes the state of the battery and, if possible, recovers the battery and its power.

Made for all weather conditions and situations

The MULTI US 7002 is prepared to charge and maintain, no matter the weather, temperature or situation. The MULTI US 7002 is extremely robust and water and dust resistant (IP65 classification). The MULTI US 7002 is certified for use between -4°F and +122°F. In order to make things easier and more convenient, the Comfort Connect (eyelet terminals) can be permanently connected to the vehicle's battery.

Compatible with other electronic equipment

Most vehicles today are equipped with sensitive electronic systems. Unlike less-sophisticated chargers, there is no need to disconnect the battery; the MULTI US 7002 is specially designed to not damage electronic systems.

Designed for safety

All CTEK models are designed to consider the safety of the user. They are spark free, making the connection much easier and safer considering the gases batteries normally produce. The MULTI US 7002 is also protected from reverse-polarity connections and is short-circuit proof. A red light on the charger will simply indicate that the charging cannot begin until the user has connected the charger correctly.

Unique Supply and Recond mode

The Supply mode serves as a power supply unit that can run 12V equipment up to 7A. When changing a battery, important settings will therefore not be lost. The unique Recond mode restores the power capacity in a stratified battery, prolonging its life. The stratifying process starts after just a few deep discharges of the battery.

8 Step Charging Process

MUS7002 8 Steps

Technical Data

Spec Data
Part No. 56-353
Input voltage AC 85-125VAC, 50-60Hz
Output voltage Nominal: 12V
Efficiency HIGH 85%
Charging voltage 14.4V /14.7V
Charging current 7A max
Back current drain* <1Ah per month
Ripple** 4%
Ambient temperature -4°F to +122°F, output power is reduced automatically at higher temperatures
Type of charger 8 step, fully automatic switch mode with pulse maintenance
Type of batteries 12V lead-acid batteries (Wet, MF, AGM, GEL and Ca)
Battery capacity 14-225Ah
Dimensions (LxWxH) 8½ x 3½ x 1 inches
Insulation IP65 (splash and dust proof)
Certifications UL
Weight 1.7lbs
Warranty 5 years

*) Back current drain is what drains the battery if the charger is connected without the power cord connected.
**) Ripple describes the quality of the current and voltage. A high current ripple heats the battery and shortens its life. A linear charger has a current ripple of 70-400% which is much larger than the maximum 5% for a modern sealed battery. High voltage ripple could harm other equipment that is connected to the battery. MULTI US 7002 delivers voltage and current with very low ripple. The battery has a long service life and there is no risk of damage to other electronic devices connected to the battery.


$149.99Price:
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CTEK Multi US 25000

CTEK Multi US 25000

The Smarter Charger with maximum power to rapidly charge

CTEK MULTI US 25000 (Part No. 56-674) is an 8-step, fully automatic primary switch mode battery charger. A powerful charger for 12V batteries that require rapid charging such as in garages, RV’s, boats and of course cars. Unlike old traditional battery chargers CTEK chargers are designed with focus on simplicity, safety and flexibility.

Troubleshooting Guide

Additional DescriptionMore Details

The Charger With Maximum Power

CTEK MULTI US 25000 is an 8-step, fully automatic primary switch mode battery charger. A powerful charger for 12V batteries that require rapid charging such as in garages, RV's, boats and of course cars. Unlike old traditional battery chargers CTEK chargers are designed with focus on simplicity, safety and flexibility.

Fully automatic - for charging and maintenance

In addition to normal charging of batteries, they also have a fully automatic charging cycle through CTEK's in-house patented system for maintenance charging. The batteries are kept at full capacity (float) over the first 10 days period. The chargers then switch to pulse maintenance, which is the optimal way of storing the batteries in the long-term and providing them with maximum service life.

Patented desulfation function

Unused batteries lose their power and their life is shortened through sulphation. It is also more difficult to charge sulfated batteries. CTEK MULTI US 25000 has a patented method for reconditioning sulfated batteries. The charger analyses the state of the battery and then, if possible, recovers the battery and its power.

Weather independent

The chargers are fitted with temperature sensors adapting the charging voltage to suit the battery temperature and handle effective charging no matter the climate, from 0 0 F to 1200 F. They are very robust and have an IP44 classification, approved for outdoor use.

Electronic protection

Most vehicles today are equipped with sensitive electronic systems. Unlike less-sophisticated chargers, there is no need to disconnect the battery as CTEK MULTI US 25000 is specially designed not damage the electronic systems.

Unique SUPPLY and RECOND mode

The SUPPLY mode serves as a power supply unit which can run 12V equipment up to 25A. When changing a battery important settings will therefore not be lost. The unique RECOND mode restores the power capacity in a stratified battery and therefore prolongs its life.

Designed for safety

All CTEK models are designed to consider the safety of the user. They are spark free making the connection much easier and safer considering the gases batteries normally produce. CTEK MULTI US 25000 is also protected from reverse polarity connections and is short-circuit proof. A red light on the charger will simply indicate that the charging cannot begin until the user has connected the charger correctly.

Technical Data

Spec Data
Part No. 56-674
Input voltage AC 100-120VAC, 50-60Hz
Output voltage Nominal: 12V
Efficiency HIGH 85%
Charging voltage 14.4V, temperature compensated
Charging current 25A max
Back current drain* <2Ah per month
Ripple** 4%
Ambient temperature 0°F to 120°F, output power is reduced automatically at higher temperatures
Cooling Fan
Type of charger 8 step, fully automatic switch mode with pulse maintenance
Type of batteries 12V lead-acid batteries (Wet, MF, AGM, GEL and Ca)
Battery capacity 50-500Ah
Dimensions (LxWxH) 9½ x 5½ x 2½ inches
Insulation IP44 (outdoor use)
Weight 3.2lbs

*) Back current drain is what drains the battery if the charger is connected without the power cord connected.
**) Ripple describes the quality of the current and voltage. A high current ripple heats the battery and shortens its life. A linear charger has a current ripple of 70-400% which is much larger than the maximum 5% for a modern sealed battery. High voltage ripple could harm other equipment that is connected to the battery. MULTI US 25000 delivers voltage and current w ith very low ripple. The battery has a long service life and there is no risk of damage to other electro nic devices connected to the battery.


$299.99Price:
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CTEK LITHIUM US

The LITHIUM US (Part No. 56-926) is an advanced microprocessor controlled charger specially designed to recharge and maintain the cells of Lithium-Ion Phosphate (LiFePO4) batteries - maximizing their performance and lifespan. With up to 4.3A of charge current available the LITHIUM US is extremely flexible and will charge LiFePO4 batteries from 5Ah to 60Ah and maintain up to 120Ah.

Operation is simple and charging will commence upon connection. With no need to disconnect the battery from the vehicle, at charge start the LITHIUM US will automatically reset any low voltage protection electronics (Battery Management System) fitted. Charging can be restarted manually at any time using the 'Reset' button.

The LITHIUM US is a fully automatic 'connect and forget' charger with 8 charging steps including a testing sequence to show if the LiFePO4 battery can take and retain charge, a unique maximization step to restore full capacity, and patented maintenance charging to ensure maximum performance even after months of inactivity. Splash proof and dust proof (IP65) the LITHIUM US is easy and safe to use, protects vehicle electronics, spark-free, reverse polarity protected and short circuit proof. The LITHIUM US features a 6 year warranty.

Additional DescriptionMore Details

Features

  • Complete LiFePO4 Battery Care - unique and patented system to recover, charge and maintain LiFePO4 batteries to maximize performance and extend life.
  • Safe to use - User safety through spark free operation and reverse polarity protection. Vehicle electrical safety through exceptionally clean voltage and current delivery with no surges or spikes. No need to disconnect battery from the vehicle when charging.
  • Connect and forget - simple plug and play operation. Manual reset available
  • Unique 8 step charging - the patented 8 step program tests battery condition and, charges and maintains to ensure maximum LiFePO4 battery life and performance. Float / Pulse maintenance ensures id deal battery care during periods of inactivity.
  • Extends battery life - the unique features of CTEK chargers combine to maximize performance and extend LiFePO4 battery life.

Technical Data

Spec Data
Part No. 56-926
Charge voltage 13.8 / 14.4V
Charge current Max 4.3A
Type of charger 8 step, fully automatic charging cycle
Type of battery 12V lithium Ion Phosphate (LiFePO4)
Battery Capacity 5.0Ah - 60Ah, maintenance charging up to 120Ah
Protection Rating IP65 (splash and dust proof)

$119.99Price:
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CTEK Toolbox

ctek_toolbox

CTEK Toolbox Kit (Part number: 40-045)

  • Cardboard Tool Box
  • MUS 4.3 (56-864)
  • CTEK Comfort Indicator Cig Plug (56-870)
  • Comfort Connect Extension Cable  (56-304)
  • Black Bumper (56-915)

Order your CTEK Toolbox Kit Today!

$109.99Price:
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CTEK MUS 4.3 POLAR

SUPERB CHARGING WITH ADDED WINTER PERFORMANCE

The MUS 4.3 POLAR (Part No. 56-958) has been specially developed to offer excellent all-round charging with special cold weather performance and adapted AC and DC cables to handle severe cold down to -22°F (-30°C). The MUS 4.3 POLAR is an advanced microprocessor controlled battery charger providing unrivalled performance on batteries from 1.2Ah up to 110Ah. Features include diagnosis of battery condition to establish if it can receive and retain charge, patented automatic desulphation program and a special reconditioning function that will revive and restore deeply discharged and stratified batteries. ‘Snowflake’ mode ensures ideal charging performance even in the most extreme cold conditions. Patented Float/Pulse maintenance makes the MUS 4.3 POLAR ideal for long-term maintenance. The entire process of battery testing, charging and maintenance is easily followed on the clear LED display.

The MUS 4.3 POLAR is a fully automatic ‘connect and forget’ 12V charger with 8 charging steps and offers selectable 0.8A, and 4.3A programs. The RECOND and SNOWFLAKE modes operate individually or together in both 0.8A and 4.3A programs providing great flexibility for the user. Wide charging range on all lead-acid battery types from 1.2Ah up to 110Ah with additional maintenance capability to 160Ah. Splash proof and dust proof (IP65). The MUS 4.3 POLAR is easy and safe to use, protects vehicle electronics, spark-free, reverse polarity protected and short circuit proof. The MUS 4.3 POLAR features a 5 year warranty.

Additional DescriptionMore Details

Features

  • Complete Battery Care - Unique and patented system to recover, charge and maintain all lead–acid battery types to maximize performance and extend life.
  • Safe and easy to use - User safety through spark free operation and reverse polarity protection. Vehicle electrical safety through exceptionally clean voltage and current delivery with no surges or spikes. No need to disconnect battery from the vehicle when charging.
  • Connect and Forget - Simple plug and play operation. Select the program and mode and leave the charger to do the rest.
  • Unique 8 step charging - The patented 8 step program tests battery condition and revives, charges and maintains to ensure maximum battery life and performance. RECOND recovers deep discharged and stratified batteries. FLOAT/PULSE maintenance ensures ideal battery care during periods of inactivity.
  • Charges down to -22°F (-30°C) - Specially developed for use in extreme cold conditions and featuring AC and DC cables adapted for low temperature use.
  • Extends battery life - The unique features of CTEK chargers combine to maximize performance and extend battery life.

Technical Data

Spec Data
Part No. 56-958
Input voltage 100-115 VAC
Charge voltage 14.4 / 15.0 / 15.8 V
Charge current Max 5 A
Type of charger 8 step, fully automatic charging cycle
Type of battery 12V lead-acid batteries (Wet, MF, AGM, GEL)
Battery Capacity 1.2-110 Ah, up to 160 Ah for maintenance

$109.99Price:
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CTEK MURS 7.0

CTEK MURS 7.0

The CTEK US RACING (Part No. 56-830) is a charger that offers state of the art technology that was previously only found in CTEK’s 12V product range. The charger is perfect for your 16V racecar or audio application no matter what the weather, temperature or conditions. The same quality and reliability you have trusted from CTEK for years is now available for your 12V/16V applications.

The CTEK US RACING charger is light-weight and compact yet extremely robust as well as water and dust resistant (IP65). With settings for 12V and 16V WET or AGM, this charger will provide fully automatic charging and can be left attached for months without the worry of overcharging. The charger is supplied with a 2 year warranty.

Additional DescriptionMore Details

Features

  • Fully automatic charging and maintenance in 7 steps maximizes battery life and performance.
  • Numerous accessories simplifies using the same charger for multiple batteries.
  • One charger for the 12V and 16V applications.
  • Water resistant so the charger can be taken to the problem even if it rains or snows.
  • Patented maintenance charge for a unique combination of maximized life and performance.
  • Patented desulfation that extends battery life.
  • No sparks, short circuit proof and reverse polarity protected for untroubled usage.
  • Automatic detection of end-of-life batteries that eliminates surprises.
  • Surge protected to protect sensitive electronics on the vehicle.

Technical Data

Spec Data
Part No. 56-830
Charging voltage 12V WET 14.4V, 12V AGM 14.7V,
16V WET 19.2V, 16V AGM 19.6V
Charging current 7A max 12V, 5A max 16V
Ambient Temperature -4°F to +122°F (-20°C to +50°C)
Type of charger 7 step, fully automatic charging cycle
Type of battery 12V and 16V lead-acid batteries

$224.99Price:
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CTEK Multi US 4.3

CTEK MUS 4.3

The MUS 4.3 (Part No. 56-864) is a charger that offers state of the art technology that was previously only found in CTEK’s professional product range. The charger can solve a broad range of battery-related problems and is the perfect charger for those with high demands. The MUS 4.3 offers features such as battery diagnosis that shows if a battery can receive and retain a charge, a special reconditioning function that restores stratified and deeply discharged batteries, unique maintenance charging, a mode for optimized charging during cold winter days and the charging of demanding AGM batteries (i.e. Optima). The unique display allows the user to follow the entire charging process.

The MUS 4.3 is a fully automatic 8-step charger that delivers selectable 0.8 A or 4.3 A to 12 V batteries from 1.2–110 Ah and is suitable for maintenance charging up to 160 Ah. The charger is splash and dust proof, designed to protect vehicle electronics and non-sparking, reverse polarity protected and short-circuit proof. It is delivered with a 5-year warranty.

Additional DescriptionMore Details

Features

  • Fully automatic charging and maintenance in 8 steps maximizes battery life and performance
  • Numerous accessories simplifies using the same charger for multiple batteries
  • One charger for the car, motorcycle, lawn mower, snowmobile, sump pump and tractor
  • Water-resistant so that the solution could be taken to the problem even if it rains or snows
  • Patented maintenance charge for a unique combination of maximized life and performance
  • Recondition of deep discharged batteries
  • Patented desulphation that extends the battery life
  • No sparks, short-circuit proof and reverse-polarity protected for untroubled usage
  • Automatic detection of end-of-life batteries that eliminates surprises

Technical Data

Spec Data
Part No. 56-864
Charging voltage 14.4 / 14.7 / 15.8 V
Charging current Max 4.3 A
Type of charger 8 step, fully automatic charging cycle
Type of battery 12V lead-acid batteries
Battery capacity 1.2 - 110 Ah, up to 160 Ah for maintenance

$84.99Price:
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DCDC Products

CTEK D250S DUAL

CTEK D250S

This Smarter Charger uses solar power to save time and money

The D250S DUAL (Part No. 56-677) charger obtains its energy from DC sources such as alternators, solar panels or wind power and optimises this power to meet the charging requirements of different battery banks. The D250S DUAL automatically selects the best connected DC energy source (of 2) for the purpose and switches between these energy sources to achieve high efficiency multi-stage charging. The D250S DUAL is particularly suitable for charging vehicles that do not have access to grid power supplies.

Perfect for boats with one battery, boats with start & service battery, boats with start & service bank, caravan, and truck.

Additional DescriptionMore Details

Features

  • Multi-step charging from alternators and solar panels
  • Battery separator that eliminates diodes and VSR relays
  • Maintenance charge of starter battery
  • Solar panel regulator with Maximum Power Point Tracking, synchronised
    with other current sources such as the alternator and/or wind
  • Simplified installation of remote batteries for bow thrust of anchor winch

Benefits

  • Maximised battery life due to minimised undercharge time
  • Maximised battery capacity when the battery is kept fully charged to avoid harmful sulphate crystals on the lead plates and stratification of the battery acid.
  • Ability to take charge automatically from any power source that is connected to the CTEK D250S DUAL
  • Reduced charging times and costs by decreasing engine idling and the dependency on AC power onshore through efficient use of alternator and solar power
  • Reduced environmental impact through extended battery life and a reduced idle time
  • Minimal installation time and cost

Suitable For

  • Boats
  • Campervans and RVs
  • Caravans
  • 4WDs
  • Housing that rely on generators for extra electricity

Compatible With

CTEK Smart Pass

Faster Charging

The CTEK D250S Dual is a 5-step charger that automatically adjusts the charging voltage and current according to the battery state of charge and temperature – reducing a battery’s charge time. A sensor on the CTEK charger senses the battery temperature and adjusts the required charge by increasing the voltage in cold weather ensuring the battery is fully charged, and dropping the voltage in hot weather to avoid the problems of overcharging. With the CTEK D250S Dual , vehicle owners can be confident that their battery will always receive the optimal charging voltage, with reduced charge time and while ensuring the charging will be 100 % complete.

Solar Connection

The D250S Dual has the additional benefit of an auxiliary input which can be connected directly to solar panels without the need for a regulator, offering free power from the sun. D250S Dual has a built-in Maximum Power Point Tracker (MPPT) that helps the solar cells produce power as efficiently as possible by taking the most efficient source of energy from the solar panels automatically, and then using the power to charge the battery. The MPPT searches for the most effective combination of solar cell voltage and current, which ensures that the solar and alternator function in unison to maximize power output.

Technical Data

Spec Data
Charging voltage 14.4V at 77°F
Charging current 20A
Type of charger 5 step, fully automatic charging cycle
Type of batteries 12V lead-acid batteries
Battery capacity 40-300Ah
Insulation IP65 (splash and dust proof)
Article Number 56-677

Guaranteed Quality With CTEK

CTEK offers a 2 year guarantee on all DC/DC chargers. CTEK customer support is an appreciated service, both with regard to general questions or specific issues related to charging and CTEK chargers. Safety, simplicity and flexibility characterizes all products and solutions developed and sold by CTEK. CTEK supply chargers to more than 60 countries throughout the world. CTEK is also a reliable OEM supplier to many of the world’s most prestigious car and motorcycle manufacturers. Contact customer support.


$269.99Price:
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CTEK SmartPass

CTEK SMARTPASS

SmartPass (Part No. 56-676) is an energy management unit which controls and optimizes energy produced by alternators, solar cells, wind power or conventional AC/DC chargers, and distributes it to the battery banks or consumers which require energy, such as the deep cycle bank, bow thruster batteries, consumers, etc. Used together with a D250S DUAL, SmartPass provides optimal charging via CTEK’s unique staged charging cycle, which also protects your batteries. SmartPass also has an integrated ‘battery guard’ which protects deep cycle batteries from harmful total discharge and ensures that critical equipment such as radio, emergency lights and navigation systems always function. SmartPass has a temperature sensor which protects batteries against high temperatures.

SmartPass is a fully automatic energy management system which can handle up to 80A for batteries of between 28-800Ah. The energy management system is IP65 classified (water jet and dust protected and approved for outdoor use). Suitable for all types of 12V lead-acid batteries.

Additional DescriptionMore Details

Features

  • Battery separation eliminates diodes and VSR relays
  • Charging of service batteries up to 100A, which reduces recharge time
  • Separation of energy-consuming equipment and service batteries during charging increasing the expected life of 12V devices such as light bulbs, LEDs and other electronics and allows the battery to be charged from the alternator at a level that minimizes recharge time [patent pending]
  • Temperature protection of services batteries reduces charge current at high temperatures [patent pending]

Benefits

  • Maximized battery life as a result of reduced incidences where the battery is undercharged
  • Reduced charging times and costs by decreasing engine idling
  • Reduced dependency on AC power onshore through efficient use of alternator and solar power
  • Reduced environmental impact through extended battery life and a reduced idle time
  • Minimal installation time and cost

Suitable For

  • Boats
  • Campervans and RVs
  • Caravans
  • 4WDs
  • Heavy vehicles

Compatible With

CTEK D250S Dual

Integrated System

CTEK D250S Dual and CTEK SmartPass
Combining the CTEK D250S Dual and CTEK SmartPass ensures optimal battery charging.
The CTEK SmartPass manages the energy transfer through the CTEK D250S Dual, which then converts and produces the optimal voltage of 14.4V, even if the alternator only produces 14V.

Battery Watch Technology

CTEK’s built-in Battery Watch technology allows the SmartPass to make full use of the majority of energy produced (up to 95 %) and distributes the power servicing battery banks, bow thrust batteries and electrical equipment such as navigational systems. The CTEK SmartPass, properly manages and distributes power, directing energy to where it is needed most. This ensures that service batteries are protected from being deeply discharged, providing batteries with an optimal service life and reducing the frequency and need for regular traditional charging.

Protection From High Temperatures

The CTEK SmartPass has a sensor which senses the battery temperature and reduces charge current at high battery temperatures.

Simplified Installation

The CTEK SmartPass eliminates the need for units with multiple outputs. All batteries can be charged and maintained through the unit. The CTEK SmartPass converts a 110/230V charger with one output into a unit that serves both the service and starter battery.

Technical Data

Spec Data
Charging current 80A
Type of batteries 12V lead-acid batteries
Battery capacity 75-800Ah
Insulation IP65 (splash and dust proof)
Article Number 56-676

Guaranteed Quality With CTEK

CTEK offers a 2 year guarantee on all DC/DC chargers. CTEK customer support is an appreciated service, both with regard to general questions or specific issues related to charging and CTEK chargers. Safety, simplicity and flexibility characterizes all products and solutions developed and sold by CTEK. CTEK supply chargers to more than 60 countries throughout the world. CTEK is also a reliable OEM supplier to many of the world’s most prestigious car and motorcycle manufacturers. Contact customer support.


$249.99Price:
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