Rated voltage: 12V / 24V self-identification. * Rated current: 20A. * Max. PV voltage: 46V. * Max. PV input power: 260W(12V)/520W(24V).This solar charger controller has a large LCD display,*display voltage. * Battery power display. * Dual USB charging interface. This solar panel charge controller is built-in over current protection, short circuit protection, open protection, reverse protection. Charging parameters and discharging parameters are adjustable. Light control and delay are adjustable. * Double MOS intrusion prevention circuit, super low heat, low failure rate. The solar charge controller is easy to set up and operate. Size: 135*70*32mm. Weight: 150g. Suitable for home, industrial, commercial, etc. This solar panel charge controller is built-in over current protection, short circuit protection, open circuit protection, reverse protection. This solar charger controller has a large LCD screen, display voltage. Battery power display. Dual USB charging interface.Charging parameters and discharging parameters are adjustable. Light control and time delay are adjustable. Dual circuit MOS intrusion prevention, superb heat, low failure rate. 4-step PWM charge management. The solar charge controller is easy to set up and operate. All necessary protections are equipped. Adjustable system control parameter. This solar panel charge controller has a low failure rate and will last a long time. This solar panel controller is a built-in electronic fuse that does not require replacement. This solar controller is protected by a moisture-proof coating, minimizing damage from moisture and nesting insects. Rated Voltage: 12V/24V self-identifying Rated current: 20A Max. PV voltage: 46V Max. PV input power: 260W (12V) / 520W (24V) Working temperature: -35C to +60CApplication: Home, Industrial, Commercial Current Standby: