Renogy 12V 40A DC to On-Board Battery Charger for Flooded, Gel, AGM, and Lithium Batteries, Using Multi-stage Charging in RVs, Commercial Vehicles, Boats, Yachts

【Protection of the starter battery】This integrated 12V DCC charger not only has a built-in alternator running detection, which ensures that the charging process is only done when the engine is running to protect the vehicle battery, but also intelligent charging strategies. Even when the vehicle is started, it quickly adjusts the charging mode to ensure that the starter battery is not damaged Simple and compact layout: The second generation DCC charger adopts a wall-mounted design that is simple and efficient and allows easy installation for solar beginners. Its unique internal layout ensures a safe distance between the input and output power connectors, effectively avoiding the risk of short circuit between positive and negative poles Intelligent Bluetooth control: With the advanced BT-2 Bluetooth module, this DCC charger allows you to remotely control the charging parameters via the DC Home app and Renogy One Core. It also records up to 365 days of data for comprehensive monitoring of the ecosystem Full electronic protection: Renogy 12 V DC to DC battery charger adopts advanced protection technology that ensures comprehensive safety for your vehicle. It effectively prevents overload and short circuit, and copes with challenges such as over temperature and overvoltage effortlessly. Even in high temperature environments, it intelligently adjusts the output power to ensure efficient and safe charging Li-battery activation on/off: Renogy DCC battery charger has an intelligent lithium battery activation that ensures optimal battery performance. Taking into account the personal needs of the user, a simple one-touch operation allows you to easily activate and disable this function and gives you complete control over the battery status