GT Mobile I801 - Manual (Page 90)

89
Battery information
Type Capacity
Li-ion 730 mAh
--The battery life depends on many factors, including the SIM card,
network conditions, settings , usage and enviorenment.
--Making calls, turning on the backlight and music player will consume
more battery power.
--The standby time is shorter when the network is not available than in
the standard status.
--For power saving, the backlight turns off automatically if your phone
stands idle for an assigned time.
--The performance of battery varies with the charging status,
temperature, local radio wave and backlight status.