BT-APP / Negative Grounded MPPT Solar Charge Controller Product dimension Controller Parameter System Wiring Rated Solar Charge Current Max Solar Input Power Light Control Voltage Negative Grounded Operating Temperature Net Weight Communication Port Operating Altitude Advanced MPPT scanning technology & effective temperature management, ensuring efficient, reliable and lasting solar DC charge. Controller Dimension Battery Voltages Oversize heating sink design, along with PCBA glued with polyurethane & silicon mixture, for better system cooling and waterproof, to improve solar charge efficiency. Battery Types In-built Bluetooth communication module, for APP monitoring and operation in mobile phone. External BT module also supportable. Supports multiple modes of DC load output control. “DC load short circuit protection” allowed to be canceled manually; “Equalize charge” allowed to be enforced manually. Equalize Charge Voltage Boost Charge Voltage Full-range protection Float Charge Voltage Boost Charge Recovery Voltage Over-discharge Recovery Voltage Over-discharge Voltage Auto Temperature Compensation Accessory List External Temperature Sensor Over-discharge Protection Short-circuit Protection Bluetooth Module Parallel Charge Use Cable Installation Guidance Paper Reverse Protection Green & Solar For Life Overheat Protection Overload Protection User Manual Max Load Output Current Product Features Light Control Delay Time 12V/24V Auto (FLD/GEL/SEL/USE) Manual (Li/USE) No-load Loss Max Solar Input Voltage Battery System Voltage Overcharge Protection Battery Parameters Default: GEL Default: GEL Default: GEL