Sharp Au Speed Wi-Fi NEXT W07 Quick Start Manual page 19

Charging
Charging
The internal battery is not fully charged at the time of purchase. Charge the
battery before using the product.
• If the performance of a battery does not recover even after charging (e.g.
the usable time after each charge has become extremely short), the internal
battery may be at the end of its service life. You can check battery charging
performance from the home screen → [Settings] → [Battery Performance].
• While charging, the battery icon appears with
◎ The product may become warm during charging, but this is not a
malfunction.
◎ The interior of the product may get warm or hot depending on operation
methods and the environment in which it is used. If this happens,
charging may stop for safety reasons.
◎ Operating the product with the specified charger (sold separately)
plugged in may result in repeated charge/discharge cycles in a short
time. Frequent repeated charging shortens the internal battery life.
◎ Do not charge for a long time with the power left turned on. If the product
is left turned on after charging is complete, the internal battery charge
level decreases.
In these cases, charge again with the specified charger (sold separately).
However, depending on the time when the product is disconnected from
the charger, the battery charge level may be low or the battery may only
be usable for a short time.
◎ If the product is left for a long time even after the charging is completed,
the battery capacity may decrease.
◎ If the battery empty alert is displayed and the power cannot be turned
on, charge the battery for a while.
◎ When the battery becomes warm, charging may automatically stop even
if the battery has not been fully charged. Charging automatically resumes
after the temperature lowers to an appropriate temperature.
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