Solar Charge Controller PWM 12V 20A Auto identified li-ion battery charge controller

  Rated Voltage 12V24V Auto identified Rated Current 20A,30A USB Port 5V,1A × 2 Packing info 40pcs/carton Carton size 505mm×380mm×210mm Gross weight 12.8Kg Volume 0.040m³   【12V/24V Automatically Detect】Automatically detects 12V or 24V DC system voltages, and the LCD screen and multiple LED indicators display the solar charging and battery operation information, customizable parameters, and error codes【Smart 4-Stage PWM Charging】Smart 4-Stage PWM charging (Bulk, Boost, Float, and Equalization) increases battery life and improves system performance. Intelligent protection against reverse polarity, overcharging, short-circuit, and reverse current.【Compact in size】Which makes it easy to install virtually anywhere.【Multiple battery adaptation】 Deep Cycle Sealed (AGM), Gel, Flooded and Lithium battery option ready.