Renogy DC to DC Battery Charger 12V 40A, Intelligent Converter for Flooded, Gel, AGM, and Lithium Batteries, for RVs, Truck, Motorhome, Commercial Vehicles, Boats and Yachts

【Safeguard the Starter Battery】This onboard 12V DCC Charger not only features built-in alternator running detection to ensure charging only occurs when the engine is running, protecting the vehicle battery, but also boasts intelligent charging strategies. Even during the instant of vehicle startup, it swiftly adjusts the charging mode, guaranteeing no harm to the starter battery. 【Simple and Compact Layout】The second generation DCC charger adopts a wall-mounted design, simple yet efficient, facilitating easy installation for solar beginners. Its unique internal layout ensures a safe distance between the input and output power terminals, effectively avoiding the risk of positive and negative pole short circuits. 【Intelligent Bluetooth Control】With the advanced BT-2 Bluetooth module, this DCC charger enables remote control of charging parameters via the DC Home app and Renogy One Core. Additionally, it records up to 365 days of data for comprehensive ecosystem monitoring. 【Complete electronic protection】Renogy 12V DC to DC Battery Charger adopts advanced protection technology, ensuring comprehensive safety for your vehicle. It effectively prevents overload, short circuits, and handles challenges like over-temperature and over-voltage effortlessly. Even in high-temperature environments, it intelligently adjusts output power, ensuring efficient and safe charging. 【Li Battery Activation On/Off】Renogy DCC battery charger features intelligent Li battery activation, ensuring optimal battery performance. Meanwhile, considering users' personalized needs, a simple one-touch operation allows easy activation and deactivation of this feature, giving you complete control over the battery's status.