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A 12V VRLA battery, typically used in small uninterruptible power supplies and emergency lamps
A 12V VRLA battery, typically used in small uninterruptible power supplies and emergency lamps
Cutaway view of a 1953 automotive battery
Cutaway view of a 1953 automotive battery
Broken gel battery with white gobbets of the gelated electrolyte on the plates
Broken gel battery with white gobbets of the gelated electrolyte on the plates
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12-volt lead–acid car battery
12-volt lead–acid car battery
Internal view of a small lead-acid battery from an electric-start–equipped motorcycle
Internal view of a small lead-acid battery from an electric-start–equipped motorcycle
Charge current needs to match the ability of the battery to absorb the energy. Using too large a charge current on a small battery can lead to boiling
Charge current needs to match the ability of the battery to absorb the energy. Using too large a charge current on a small battery can lead to boiling and venting of the electrolyte. In this image a VRLA battery case has ballooned due to the high gas pressure developed during overcharge.
Sulfated plates from a 12-V 5-Ah battery
Sulfated plates from a 12-V 5-Ah battery