Features1Using industrialgrade main control chip, good performance and durability. 2Largescreen LCD display, adjustable charge and discharge parameters, with poweroff memory function. 3Complete 3stage charging management to better meet your needs. 4Builtin overcurrent, short circuit, open circuit, reverse connection protection, all are selfrecovery type, do not damage the controller. 5Dual USB output, maximum current up to 2.5A, dual MOS antibackflow circuit, ultralow heat generation. SpecificationCondition: 100% Brand NewItem Type: SolarChargeControllerMaterial: 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 List1 xSolarChargeController1 x Instruction