Gear up for your adventures with the ultimate dual-battery solution: the ATEM POWER 40A DC to DC charger. With its advanced features and superior performance, this DC-DC charger is the perfect companion to keep your batteries fully charged and ready for action, ensuring you never run out of power when you need it most. Unleash convenience with a DC to DC charger that goes both ways! From charging your flat starter battery to keeping auxiliary battery charged, this charger has you covered. It's your perfect off-road companion—an upgraded, automatic 3-stage charger. With up to 40A of power, it charges AGM, Gel, Calcium, Lead Acid, and LiFePO4 batteries efficiently. And say goodbye to compatibility concerns as this DC to DC charger adapts seamlessly to the smart alternator inside your vehicle. Tap into the abundant solar power with its MPPT controller, while effortlessly activating your sleeping LiFePO4 battery. Power limitations won't hold you back—conquer the outdoors with confidence!

Features
Reverse Charging Ready: Don't let a flat starter battery hold you back! Our charger swiftly breathes life back into your battery to get you back on the road in a flash.
LiFePO4 Activation: Our 40A DC to DC charger sparks life into your sleeping LiFePO4 battery with its LiON mode for an electrifying performance.
Smart Alternator Compatible: Worried about compatibility? Our charger works flawlessly with smart alternators in 4x4s, ensuring a seamless power connection.
Battery Re-selection Made Easy: Switch batteries effortlessly! Our ATEM POWER DC to DC charger allows quick re-selection by long-pressing "SELECT."
Dual Input Power: Our charger utilizes the DC source before tapping into solar power, ensuring a stable and consistent energy source for your auxiliary battery.
Advanced Charging Algorithm: Our smart 3-stage charging process optimally charges your batteries, delivering them to their peak levels for extended use.
Wide Battery Compatibility: With our upgraded charging profile, this DC to DC charger is compatible with AGM, Gel, Calcium, Lead Acid, and LiFePO4 batteries.
Intelligent Protection: It comes with built-in safeguards, protecting against reverse polarity, overvoltage, over-temperature, charge timeout, and lithium battery BMS.
Boost Efficiency with MPPT: This DC to DC charger includes a MPPT controller, increasing charging efficiency by up to 30% when connected to solar panels.
Convenient Anderson Style Plug: Simplify your setup! Equipped with Anderson style plugs, our DC to DC charger makes wiring a breeze, saving you time and effort.