Sprint Nextel Sprint PCS Vision Smart Device PPC-6700 - Manual (Page 18)

12 Section 1: Getting Started
Low Battery
When the low-battery warning appears, do the following:
1. Immediately save your current data.
2. Synchronize with your PC (see Section 4 on page 45).
3. Turn off your device.
To check the battery power:

Tap Start > Settings > System tab > Power; or,

Tap the Battery icon on the Today screen.
Power information