How to revive a drill battery

Written by heather topham wood Google
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One of the main reasons a drill battery dies before its time is because the user does not discharge it completely before putting it back on the charger. If your drill battery won't hold a charge, you can try to revive it.

Skill level:


  1. 1

    Discharge the drill battery completely. If it has any power left, use it until the drill completely dies. Drain the power only by using the drill, not by using a power resistor or shorting it out by placing it inside a microwave.

  2. 2

    Remove the drill battery and place it in your household freezer. Leave it inside for at least 24 hours.

  3. 3

    Take the battery out of the freezer and leave it at room temperature for another 24 hours.

  4. 4

    Place the drill battery on the charger and see if it will reach a full charge. If it fails, the battery may be completely dead and will require replacement.

  5. 5

    Extend your drill battery's life by discharging it completely before charging again.

Tips and warnings

  • If you need to use the drill right away, consider having a backup battery handy while you complete the revival process.

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