... -consumption: 6 DescriptionOnly For off-Grid PV Solar System. For 10A 12V Pv System: 120W Solar Panel,12V Lead-acid Battery,21V ... for Max input Voltage For 10A 24V Pv System: 240W Solar Panel,24V Lead-acid Battery,42V for Max ... , numbers equal to timer setting*Temperature compensation, with inside temperature sensor*Big terminals, big distance between terminals Rating:10I: 12 Volt ...