LG V522 Mode D'emploi page 28

WARNING
Use only LG-approved chargers, batteries and cables. If you use unapproved
chargers, batteries or cables, it may cause a battery charging delay or pop up
message regarding slow charging. This can also cause the battery to explode
or damage the device, which is not covered by the warranty.
NOTE:
Your device has an internal rechargeable battery. For your safety, do not remove
the embedded battery.
The battery must be fully charged initially to improve battery lifetime.
2. Connecting a USB device to your tablet
Getting to know your device
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