Item Type: Solar Charge Controller_x005F_x000D_Material: ABS_x005F_x000D_Charging Type: MPPT_x005F_x000D__x005F_x000D_Rated Voltage: Dc 12V/24V automatic identification_x005F_x000D__x005F_x000D_Maximum Charging Discharging Current: 40A_x005F_x000D__x005F_x000D_Maximum Open Circuit Voltage of Solar Panel: 100V (in the lowest temperature), 92V (in the standard temperature of 25)_x005F_x000D_Maximum Pv Input Power: 520W(12V), 1040W(24V)_x005F_x000D__x005F_x000D_USB Output Voltage: 5V/1A x 2_x005F_x000D__x005F_x000D_Standby Consumption: 50mA_x005F_x000D_Operating Temperature: -20-+55_x005F_x000D__x005F_x000D_Terminal Wire Gauge: 110m/7AWG_x005F_x000D_Waterproof Grade: IP30_x005F_x000D__x005F_x000D_Rechargeable Batteries: Plumbic acid battery, gel batteries, maintenance free plumbic acid battery, lithium battery_x005F_x000D__x005F_x000D_Applicable Scenarios: Home power generation, base station, Rv, yacht, boat and other solar photovoltaic systems.