When your car battery goes dead overnight, usually either the battery is at the. If checking for a drain, the alarm should be the first thing to be disconnected to .
On occasion, a battery may experience significant drain long after the engine has. . Just make sure it can test amperage, has an auto ranging mode, and is at .
Intermittent or elusive battery drains require more test time, and that means more. For example, suppose a vehicle's battery already was in marginal condition.
Learn more about the importance of battery testing, when to replace your battery and where. Fully charged automotive batteries should measure at 12.6 volts or above.. If you've been experiencing problems with your battery system and the