Hisense V40i User Manual page 16

the battery performance and shorten its life. Long term
charging in extreme temperatures will damage the
battery.
• While charging, the phone and the charger may heat up.
This is normal and should not affect the phone's
lifespan or performance. If the battery gets hotter than
usual, stop charging it. Place your phone in a cool place
and allow it to cool down. Avoid prolonged contact with
the surface of your phone if it becomes hot.
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