4 flashing red LED - Replace battery (AK Series)

What does 4 flashing red LED (AK Series) mean?

The battery has an internal issue and needs to be replaced. This may be due to age, damage, or a manufacturing defect.

• Internal failure of the battery pack
• Battery cell degradation
• Damage to the battery's internal circuitry

Click steps to track your progress.

1. 1

   Confirm that the battery is indeed the cause by testing with another known good battery if possible.

2. 2

   Check the purchase date of the battery for potential warranty coverage.

3. 3

   Replace the battery with a new, compatible model.

4. 4

   Dispose of the old battery according to local regulations for rechargeable batteries.