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Accumulator

usgb/əˈkjuːmjəleɪtər/Volume
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Energy Storage

An accumulator often refers to a rechargeable battery used in various technologies.

Illustration for Energy Storage
Don't forget to replace the accumulator in the flashlight.
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Charge Required

The term implies that the device requires charging before it can provide power.

Illustration for Charge Required
The car won't start unless the accumulator has been charged.
Visual representation of the word "Accumulator"

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