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How to Fix and Restore Gel Batteries

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Gel batteries are generally the same as regular lead-acid batteries you use to start your car, except the battery cells contain a gel rather than a fluid. Gel batteries are considered to be safer, because if the casing gets damaged the gel doesn’t spill, but fluid-based batteries can leak sulfuric acid, if the casing gets damaged. Gel batteries are sealed units, so unlike fluid-based batteries you cannot access the cells. The best way to fix and restore a gel battery is to discharge it as much as possible and then charge the battery slowly.

Step 1

Check your battery is discharged before fixing and restoring it. Turn on your car’s lights and other electrical equipment to use any power in the battery.