What causes a car battery to not hold a charge?
What causes a car battery to not hold a charge? 2. A problem with your battery is causing it to not hold a charge. To check this, wait 12 to 24 hours after charging to the full voltage, keep the battery out of the vehicle and measure its voltage. What happens when a battery is left in a low charge? Batteries left for in a very low state of charge for long periods of time can also experience the same changes, so although they can report being ‘charged’, the active materials inside and available to power devices are limited. (see...