The Battery Guard is a battery protection device designed to prevent deep discharge and extend the lifespan of your car battery. It automatically switches off consumers such as ice boxes, heaters, radios, and television sets to avoid draining the battery. With an adjustable interrupting voltage range of approximately 10.4V to 13.3V and a maximum current capacity of 20A, this battery guard ensures reliable protection. Prevents deep discharge of car battery<BR/>Adjustable interrupting voltage range<BR/>Maximum current capacity of 20A<BR/>Easy installation<BR/>Compact size