Sealed lead acid battery facts for kids
A sealed lead acid battery or gel cell is a lead acid battery that has the sulfuric acid electrolyte coagulated (thickened) so it cannot spill out. They are partially sealed, but have vents in case gases are accidentally released for example by overcharging. They can be used for smaller applications where they are turned up side down. They are more expensive than normal lead acid batteries, but they are also safer.
They use different chemicals than dry cells, so they are rechargeable.
Related pages
Images for kids
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A 12V VRLA battery, typically used in small uninterruptible power supplies and emergency lamps
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Cutaway view of a 1953 automotive battery
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Broken gel battery with white gobbets of the gelated electrolyte on the plates
See also
In Spanish: Batería VRLA para niños
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Sealed lead acid battery Facts for Kids. Kiddle Encyclopedia.