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Why my battery fails to power my device or can not charge any more?

Have you ever encountered such a problem? After finishing using your device, put away it and after one month or several month later, you failed to power the device, even through charging, it could not be workable.

 

Why?

 

1. Battery is stored at fully discharged state

Sometimes when we use over the battery, the battery actually is no power (fully discharged), while, we do not notice it and just put it aside, in some time later, the battery is totally over-discharged. It’s because not only the battery cell has self-discharge current, also the device itself will have a small current drain on the battery. In this way, the battery is gradually over discharged to lower voltage or 0V or dead cell.

 

2. Battery has power, but storage time is too longer without any charge during the storage period

Lithium ion battery is chemical product. Long time storage without any cycle (charge & discharge), the inside electrolyte has not been activated. The battery its self has self discharge, plus device self current drain, the battery power is gradually discharged till low voltage or 0V or even become a dead cell.

 

3. Storage time is not longer, but the device self-current consumption is very big
High self-current drain from the device will quickly over-discharge the battery and cause lower voltage, 0V or dead cells.

4. Battery itself has been damaged such as bad connection between the cell and PCM. Or cell or PCM got damaged.

5. Battery put near source with high temperature

Battery near high temperature will cause the inside cell degrading quickly. After long time no use, the battery may get damaged.

 

...

 

If a lithium ion battery could not be charged up any more or if a battery is swelled, pls stop using, as keeping charging the battery might cause potential risk such as catching fire, or even explode.

 

 

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Office Address: RM. 1802, Kaihaoda Square Bldg, Industrial Park Rd 1, Dalang, Longhua, Shenzhen 518109
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