If your car has a short or other power drain issue the battery protector will discnnect to protect your battery.
Car battery drain protector.
It appears to work very well indeed with the facility to select the level of voltage at which it cuts out.
Protects your 12volt lead acid car battery from total discharge by switching off appliances such as fridges and tv sets before the battery voltage drops to an unrecoverable level.
Stop parasitic battery drain from stopping your car truck suv boat or fleet vehicle in its tracks.
Li lead battery protector is a us branded perfect solution for protecting a vehicle battery.
Smart microcontroller battery discharge protector.
I bought this to protect a spare battery used for powering a cool box in the boot of the car.
Designed to protect a battery keeping it from going dead preventing damage to battery alternator and electrical system at the same time providing peace of mind and safety while saving you time and money.
Prioritystart is a totally automatic heavy duty electro mechanical computerized on off switching device.