Solar Regulator 20A 12/24V, solar charge controller, pwm,battery charging Technical Information: 12 volt 24 voltRated solar input: 15/20A 15/20A Rated ... : 1 min 1 minLoad disconnect: 11.1V 22.2VLoad reconnect: 12.6V 25.50VEqualization voltage(10 minutes): 14.6V 29.2VBoost ... ) -30mV -60mVTemperature: -35°C to +55°C Solar Regulator 20A 12/24V, solar charge controller, pwm,battery charging