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Typically, the selection of things like batteries invovles the following questions: * Do they perform within stated parameters * Cost * Supply Note that performance, as long as it's within range, is not usually the deciding factor. Safety first. The battery has to be safe for use in humans. Then reliability. It has to have a low failure rate. The power and energy requirements also factor in. Some devices need more power, others use only small current drains.

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17y ago

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