HQRP 20 Amp 20A Solar Charge Power Controller/Regulator 12V / 24V 20A w/LED Indicator Plus UV Meter HQRP&reg; Solar Charge Controller plus HQRP&reg; UV Chain / UV Health Meter; Charge current: 20A; Discharge Current: 20A; System voltage: 12V/24V Auto; Equalization: 14.2-14.6V; Float Charge: 13.7V; Discharge stop: 10.7V; Discharge reconnect: 12.6V; Self consume: 10mA; USB Output: double 5V/2A-3A; Control mode: PWM (Pulse Width Modulation); 200 days warranty!