Feature:1. Practical Use: Enables light control and delay control, adjustable charging and discharging parameters, power off memory, etc.2. Large Current: Dual USB output enables a maximum current up to 2.5A, supporting quick charging for phone and other electronics.3. Clear Display: Large LCD screen can clearly display accumulative power generation, discharge power query, temperature and so on.4. Safer Working: With built in over current, short circuit protection, open circuit protection and reverse connection protection.5. Smart Design: Adopting industrial grade main control chip and anti backflow circuit, which ensures ultra low heat generation.Specification:Item Type: Solar Charge ControllerMaterial: ABSModel: K1688Colour: BlueSystem Voltage: 12V or 24V automatic adaptation. Maximum Photovoltaic Voltage: 50VUSB Output: 2 USB outputs, 5V 2.5A (maximum). Boost Charging Voltage: 14.4VFloating Voltage: 13.7V (default value, adjustable). Discharge Cut Off Voltage: 10.7V (default value, adjustable). Discharge Recovery Voltage: 12.6V (default value, adjustable). Charging Recovery Voltage: 13VStandby Current: <10mAWorking Temperature: -35~+60℃ Maximum PV Input Power 10A 20A 30A Rated Voltage(12V or 24V) 130W(12V) 260W(24V) 260W(12V) 520W(24V) 390W(12V) 780W(24V) Package List:1 x Solar Charge Controller1 x User ManualNote:Recommendations for Safe Use: 1. This controller automatically recognizes 12V or 24V. When installing for the first time, please make sure that the battery has enough voltage so that the controller can recognize the correct battery type. 2. Install the controller as clos