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No, not at all. Letting the battery run flat can sometimes even increase battery life.

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This was an actual problem with early rechargeable batteries because over charging batteries would dramatically reduce their life span. However, most chargers now have sensors that detect that available charge and will shut themselves off before they reach that point.

However, some companies do suggest that you periodically (once a month or so) allow the battery to drain completely before recharging it as a way of resetting it.

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15y ago

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