NEC Univerge SV9100 - Remove and Replace Handset Battery

Issue 1.2 UNIVERGE SV9100
5 - 118 Installing DT Series Digital and IP Multiline Terminals
7.4.3 Remove and Replace Handset Battery
The battery loaded in the Bluetooth handset has a useful life of about
two years, depending on how the handset is used. If the battery
voltage diminishes quickly after the battery has been charged for a
long time, replace with a new Li-ion battery.
1. Remove cover from back of handset.
2. Remove existing battery and dispose of properly.
3. Install new Li-ion battery.
. Full charge takes approximately 16 hours.
4. Reinstall battery cover.
Figure 5-135 Removing Battery Cover from Handset
Figure 5-136 Removing Battery from Handset