Features: 1.Using industrial?grade main control chip, good performance and durability. 2.Large?screen LCD display, adjustable charge and discharge parameters, with power?off memory function. 3.Complete 3?stage charging management to better meet your needs. 4.Built?in over?current, short circuit, open circuit, reverse connection protection, all are self?recovery type, do not damage the controller. 5.Dual USB output, maximum current up to 2.5A, dual MOS anti?backflow circuit, ultra?low heat generation. Specification: Condition: 100% Brand New_x000D_ Item Type: Solar Charge Controller_x000D_ Material: ABS_x000D_ Color: As the Picture Shown_x000D_ System Voltage: 12V/ 24V (Automatic Identification)_x000D_ Maximum Photovoltaic Voltage: 23V at 12V Battery; 46V at 24V Battery_x000D_ Increase Charging Voltage: B01 Sealed Type: 14.4V, B02 Colloid Type: 14.2V, B03 Open Type: 14.6V._x000D_ Floating Charge Voltage: 13.7V (Default Value, Adjustable Range: 12.7-15V)_x000D_ Discharge Cut-off Voltage: 10.7V (Default Value, Adjustable Range: 9-11.3V)._x000D_ Discharge Recovery Voltage: 12.6V (Default Value, Adjustable Range: 11.5-13V)._x000D_ _x000D_ Charge Recovery Voltage: 13V_x000D_ Light Control Threshold: 8V Photovoltaic Panel (There is a delay when the light is switched on)_x000D_ Light Control off Threshold: Photovoltaic Panel 8V (There is a delay when the light is switched off)_x000D_ _x000D_ Standby Current: