Samsung SPH-M820 User Manual page 30

Charging the Battery
Keeping track of your battery's charge is important. If
your battery level becomes too low, your device
automatically turns off and you will lose any information
you were just working on.
17 2A. Device Basics
Note:
1.
2.
3.
Release Latch 4.
Although the battery comes partially charged, it is
recommended you fully charge the battery before
using your device for the first time.
Connect the USB cable to the charging head.
Slide open the Charger/Accessory jack cover.
Insert the USB cable into the device's Charger/
Accessory jack.
Plug the charging head into a standard AC power
outlet.