NEC Univerge SV8100 System Hardware Manual page 318

UNIVERGE SV8100
System Hardware Manual
CHUYÊN CUNG CẤP TỔNG ĐÀI NEC
6.4.3 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.
Figure 5-118 Removing Battery Cover from Handset
2. Remove existing battery and dispose of properly.
Figure 5-119Removing Battery from Handset
3. Install new Li-ion battery.
Full charge takes approximately 16 hours.
4. Reinstall battery cover.
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