Can a car battery at 10V still be used?

1 Answers
VanHaven
07/30/25 2:27am
A car battery at 10V can still be useful if it can be recharged, because a 12V battery cannot be used anymore when it drops below 10.5V and must be recharged. A fully charged battery measures 14.8V, and after resting for two days, it stabilizes at 12.15V. Battery Introduction: A car battery, also known as a storage battery, is a type of battery that works by converting chemical energy into electrical energy. It is primarily made of lead and its oxides, with sulfuric acid solution as the electrolyte. The normal service life of a car battery ranges from 1 to 8 years, largely depending on the vehicle's condition. Under normal circumstances, where the vehicle's alternator charges properly and there are no electrical leaks or grounding issues, the battery can typically last more than 3 years. Precautions: If you notice that the battery is not holding a charge, the starter is weak, or the headlights are significantly dimmer, the battery should be removed and charged for 12-24 hours using a battery charger. If the problem persists and the vehicle's mileage exceeds 50,000 KM, and the alternator is functioning correctly, it may be time to consider replacing the battery.
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