Allosun EM274 Car Computer Memory Keeper

GENERAL DESCRIPTION

Normally, when you change a car's storage battery, the car's on-board computer will be turned off and the relevant data personal settings (such as radio station setting, clock setting, etc) will be lost.The car data saver can be used to keep your car's cimputer powered while you perform battery change. It features surge voltage protection and output shortcuit protection.It is a very useful tool for car service.