Feature:1. Using industrialgrade main control chip, good performance and durability.2. Large‑screen LCD display, adjustable charge and discharge parameters, with power‑off 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 2A, dual MOS anti‑backflow circuit, ultra‑low heat generation.Specification:Condition: 100% Brand NewItem Type: Solar Charge ControllerMaterial: ABSColor: As the Picture ShownSystem Voltage: 12V/ 24V (Automatic Identification)Maximum Photovoltaic Voltage: 12V System <25V/24V System <50VIncrease 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).Standby Current: <10mAUSB Output: 5V /2A MaximumWorking 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