4
2 Installation
5B5BInstalling the Battery
Note:
The system will stop charging the battery when the ambient temperature is
outside of the temperature range allowed for charging (14
°F to 113°F).
When the power adapter is connected, the battery will automatically charge.
When fully charged, the battery will automatically stop charging.
Remove the battery if the device will be unused for a period exceeding 2
weeks.
The battery is intended for backup purposes only (in the event of a power
failure).
The device takes 3.5 hours to charge fully. The charge time may be impacted
by environmental factors.
Talk time is about 2 hours and standby time is about 36 hours, but the actual
values vary with the network environment.