How To Check If Your Battery Is Dead. Without a functioning alternator the vehicle quickly uses up all of the batterys capacity leaving it drained. Skip the battery tester and use this quick and easy way to test if your batteries are dead.

Ad Have Your Battery Inspected For Free. The very first thing you should do is calibrate your battery. A battery consists of a number of individual cells that add up to a complete 12V.
Without a functioning alternator the vehicle quickly uses up all of the batterys capacity leaving it drained.
While it is running unplug the positive connection from the battery. Skip the battery tester and use this quick and easy way to test if your batteries are dead. A battery consists of a number of individual cells that add up to a complete 12V. The clock on the computer loses time.
