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How to fix a Li-ion battery?

Published in Battery Troubleshooting 2 mins read

Fixing a Li-ion (Lithium-ion) battery can be tricky and sometimes dangerous, depending on the issue. Here's a look at a possible solution for some common charging problems:

Attempting a Hard Reset

If your Li-ion battery isn't charging correctly, a hard reset might help. This process can sometimes resolve software glitches that prevent proper charging.

Steps for a Hard Reset:

  1. Turn off the Device: Completely power down the device containing the Li-ion battery.

  2. Remove the Battery (If Possible): If your device has a removable battery, carefully take it out. Note: Many modern devices don't have removable batteries.

  3. Hold the Power Button: With the battery removed (or if the battery is non-removable, just with the device turned off), press and hold the power button for 15-20 seconds. This discharges any residual electricity and resets the system.

  4. Reinsert the Battery (If Applicable): If you removed the battery, put it back in.

  5. Attempt to Charge: Plug in the device and try charging it again.

Important Considerations:

  • This method primarily addresses software-related charging problems. It won't fix physical damage to the battery or internal cell failures.
  • If the battery is physically damaged (swollen, leaking, etc.), do not attempt any fixes. Dispose of it safely at a recycling center.
  • If the problem persists after a hard reset, the battery might be defective and need replacement.

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