Feature:1. Using industrialgrade main control chip, good performance and durability.2. Largescreen LCD display, adjustable charge and discharge parameters, with poweroff memory function.3. Complete 3stage charging management to better meet your needs.4. Builtin overcurrent, short circuit, open circuit, reverse connection protection, all are selfrecovery type, do not damage the controller.5. Dual USB output, maximum current up to 2.5A, dual MOS antibackflow circuit, ultralow heat generation.Specification:Condition: 100% Brand NewItem Type: Solar Charge ControllerMaterial: ABSColor: As the Picture ShownSystem Voltage: 12V/ 24V (Automatic Identification)Maximum Photovoltaic Voltage: 23V at 12V Battery; 46V at 24V BatteryIncrease Charging Voltage: B01 Sealed Type: 14.4V, B02 Colloid Type: 14.2V, B03 Open Type: 14.6V.Floating Charge Voltage: 13.7V (Default Value, Adjustable Range: 12.7-15V)Discharge Cut-off Voltage: 10.7V (Default Value, Adjustable Range: 9-11.3V).Discharge Recovery Voltage: 12.6V (Default Value, Adjustable Range: 11.5-13V).Charge Recovery Voltage: 13VLight Control Threshold: 8V Photovoltaic Panel (There is a delay when the light is switched on)Light Control off Threshold: Photovoltaic Panel 8V (There is a delay when the light is switched off)Standby Current: <10mAUSB Output: 5V /2.5A MaxmiumWorking Temperature: -35-60Optional Rated Current: 10A, 20A, 30A,40A, 50A, 60ASize: Approx. 133 x 70mm/5.2 x 2.8in.Package List:1 x Solar Charge Controller1 x Instruction