ECO-WORTHY 12V 280AH LiFePO4 Battery and 12V/24V 20A Automatic Smart Charger with Anderson Connector,for Off-Grid,Motorhomes,Home,Narrowboat

Bluetooth 5.1 Smart Monitoring: Equipped with an upgraded BMS and Bluetooth 5.1 module, allowing real-time monitoring of battery voltage, current, and capacity via the dedicated app Low-Temperature Protection: Features built-in low-temperature protection that automatically stops charging below -7°C (resumes above 0°C) and halts discharging below -20°C, ensuring safe and stable operation in extreme conditions Advanced Compression Fixture: Incorporates an internal high-strength metal frame for enhanced shock resistance, prevents cell expansion, and improved structural durability and lifespan Intelligent Adaptive Charging: The battery charger can automatically recognize 12v/24v battery voltage, while allowing manual selection of charging current, charging current can be set according to the battery capacity, providing good support for different capacity batteries LiFePO4 Battery Activation Function: The smart charger includes a LiFePO4 activation function to recover batteries that have entered protection mode due to over-discharge or long-term storage, helping restore and extend battery performance