Sharp 902SH User Manual page 22

Getting Started
Low Battery during Use
When the battery is running low, an alarm will sound and "
and external displays.
If you are using your phone and you hear the low battery alarm, attach your charger as soon
as possible. The phone may not be able to continue normal operation if you continue to use
it.
Battery Indicators
Sufficiently charged
Charging recommended
Charging required
Empty
22
" is displayed on the main
Charge Level