LiTime 12V 40A Lithium Battery Charger, 14.6V Output, Fast DC-DC, with MPPT

Features

• Warning: This 12 volt 40 amp dc to dc battery charger is not waterproof - not suitable for Marine environments such as boats, ships, yachts, trolling motors, etc.
• All-in-One High-Efficiency Charging: Charge your battery via DC input, solar panels, or both in hybrid mode. The built-in MPPT (99% tracking efficiency) replaces extra controllers, saving cost and space while delivering up to 93% conversion efficiency.
• Emergency Reverse Charging: In case your starter battery runs flat, this 12V DC-DC charger can reverse charge directly from the auxiliary battery, letting you get back on the road quickly without waiting for roadside assistance.
• 40A Output for Faster Charging: With up to 40 Amps of charging current, this dc to dc charger quickly restores battery levels. Can charge service batteries or directly power DC loads, ideal for RV, Camper, Trailers, Home Backup and Off-Grid Power Systems.
• Multi-Protection: This LiTime battery charger features over-voltage, reverse polarity, over-temperature and charging timeout protection, helps extend battery lifespan, ensure safe operation in battery charging. It can also reactivate lithium batteries after BMS shutdown. FCC, CE, and RoHS certifications, ensuring safe and eco-friendly operation.
• Compatibility: Works seamlessly with 12V LiFePO4, AGM, Gel, SLA, and Calcium batteries. Equipped with an ACC wire for both smart and traditional alternators, it automatically adjusts charging power, giving you a true plug-and-play setup without extra hassle.
• Protection Upgrade: This LiTime product is covered by AIG Product Liability Insurance, effective from May 22, 2026.