Buy Now Smartpass 120s Battery Charger Black One Size unisex

CTEK Smartpass 120S 120A Power Management SystemTake complete control of your vehicle´s auxiliary power with the CTEK Smartpass 120S, a sophisticated 120A Power Management System designed for demanding dual battery applications. Engineered for RVs, marine vessels, and commercial vehicles, the Smartpass 120S is more than just a charger, it´s an intelligent energy distribution unit that ensures your critical systems always have the power they need, exactly when they need it. It works by safely separating your starter and service batteries, allowing you to power your onboard equipment directly from the alternator when the engine is running, which dramatically accelerates the charging of your service battery.The Smartpass 120S is the ultimate solution for anyone who relies on a secondary battery for refrigerators, lights, winches, and other high-demand electronics. It prioritizes power distribution, first supplying consumers and then directing the remaining alternator power to charge your service battery. This ensures your equipment functions flawlessly without ever draining your essential starter battery. For the ultimate off-grid power setup, combine the Smartpass 120S with a CTEK D250SE or D250SA for a complete, fully-integrated 140A power management solution.Key Benefits for Maximum Power & Reliability:* Accelerated Charging: Utilizes the alternator´s full potential to charge your service battery faster than ever, reducing engine run time and saving fuel.* Total Starter Battery Protection: Automatically disconnects the service battery from the starter battery when the engine is off, guaranteeing you always have enough power to start your vehicle.* Uninterrupted Power Supply: The Current Source Priority function intelligently directs power to your critical equipment first, ensuring they operate seamlessly even while the service battery is charging.* Start Assistance Function: In an emergency, the Smartpass 120S can use power from your service battery to help start the engine if the starter battery is flat.* Optimized Battery Health: By ensuring a proper charge and preventing excessive discharge, the Battery Guard feature maximizes the performance and lifespan of your expensive deep-cycle service battery.Main Features:* Automatic Battery Separation and Power Distribution* Dynamic Over Current Protection for Safe Operation* Integrated Battery Guard to Prevent Deep Discharge* Start Assistance Functionality* Battery Temperature Protection for Optimized Charging in All Climates* Fully Compatible with CTEK D250SE and D250SA for a Combined 140A SystemTechnical Specifications:* Category: Electronics* Subcategory: Chargers* Input Voltage: 11.5–23V DC* Output: Max 120A (350A for 10 seconds for Start Assistance)* Back Current Drain: Less than 7Ah/month* Ambient Operating Temperature: -20˚C to +50˚C (-4˚F to +122˚F)* Supported Battery Types: 12V Lead-Acid (WET, MF, Ca/Ca, AGM, EFB, GEL)* Supported Service Battery Capacity: 28–800Ah* IP Rating: IP65 (Splash...