Condition: 100% Brand New_x000D_ Item Type: Controller_x000D_ Material: ABS_x000D_ Color: As shown in the picture_x000D_ Product Size: Approx. 13.6 x 7cm / 5.4 x 2.8in_x000D_ Rated Voltage: 12V 24V automatic (if your battery is 12V, the maximum solar panel input is 25V 600W, if your battery is 24V, the maximum solar panel input is 50V 1200W)_x000D_ USB Parameters: 5V_x000D_ Current: 50A_x000D_ The regulator is just suitable for lead-acid batteries: For OPEN, for AGM, for GEL_x000D_ Not Applicable for: Ni-MH, Li-ion or other batteries_x000D_ Scope of Application: Home, outdoor, courtyard, commercial, etc._x000D_ Weight: Approx. 159g / 5.6oz 1Built?in microcontroller, one?key setting, digital display, automatic memory function, use it with confidence. 24 level PWM charging management, large LCD screen clearly displays condition and data, easy to switch modes and parameter configurations, all parameters can be adjusted. 3This controller has double reverse current protection, built?in short circuit protection, open circuit protection, reverse connection protection, overload protection, generates low heat. 4Easy to install and operate, the charging controller should first connect the battery, then the solar panel, and finally connect the load, disassembly order is opposite to wiring order, with double screw backflow protection. 5Small, easy to carry and store, convenient, can be used for a long time, a good solar regulator.1 xController1 x User Manual1. Please allow 0?2 cm error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.