Dell X51 - Manual (Page 42)

42
Getting Started
Using the Battery
Your device ships with a standard 1100 mAH (milli-Ampere-Hour) battery
with an expected minimum of 5-8 hours of battery life. A higher capacity
2200 mAH can also be purchased. The 2200 mAH battery has an expected
minimum battery life of 10-16 hours.
NOTICE:
Do not use your device until you have charged the main battery for
at least 8 hours for the first charge.
Before you use your device for the first time, you must charge the battery.
Turn on your device using the power button. Once the battery is charged,
you can start your device by following the instructions in the operating
system to display the Today screen. Use the power button light to monitor
the battery charge. See Pocket PC Help on the device, for more
information.
Installing and Removing the Battery
To install the battery:
1 Ensure that the device is turned off.
2 Unlock the battery lock and remove the battery cover.
3 Align the battery contacts with the contacts in the battery slot,
insert the battery, and lower the battery into the slot.