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Go Off the Grid Safely and Reliably
The CTEK 140A Off Road Bundle combines the CTEK D250SA Smart Charger and the CTEK Smartpass 120 Complete Management Unit. This system will provide your 4WD, van, RV, or other off-grid vehicles with 140 Amps of charging power, enough to keep your batteries charged and ready. 

CTEK D250SE & SMARTPASS 120S: Installation
Whether you are a do-it-yourself person or not, Tony Zeal from CTEK gives step-by-step instructions on how to install the D250SE and SMARTPASS 120S in your van, RV or other off-grid or off-road vehicle.