How To Get A Car Battery To Work Again. Few devices actually work off of one AA 15 volt battery. Once the battery jolts the engine to life power for the car is supplied by the alternator.

Eliminate all plugs or caps from the top of the battery and inspect the acid level. How Car Batteries Work. If you want to run your car you need to fix a dead cell in the car battery or make a dead battery work again as soon as possible.
Can a dead battery work again.
Did it again today with my wireless mouse still working hours later. It will also work with AGM and GEL batteries. This method may be not bring the battery to full performance of the original condition but at my rate the battery will work for 5070 of it. Learn more about other car battery types.
