Battery usage – UTStarcom PN-820 User Manual
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BATTERY USAGE
BATTERY CHARGING
Make sure the battery is properly installed in the handset. Use all
normal cautions when working with a standard wall outlet.
POWER CONNECTION
1
Plug the AC Charger into a standard outlet.
2
Plug the other end of the AC Charger into the
bottom of your phone. The battery must be
installed on the phone.
• When you charge the battery with the phone power off, the
device will power on.
• The battery is not charged at the time of purchase.
• Fully charge the battery before use.
• It is more efficient to charge the battery with the handset
powered off.
• The battery must be connected to the phone in order to
charge it.
• Battery operating time gradually decreases over time.
• If the battery fails to perform normally, you may need to
replace the battery.
BATTERY USAGE