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Chapter 7 | Optimizing your HP Jornada | 125
Managing battery power
Managing battery powerManaging battery power
Managing battery power
Because the data you save on your HP Jornada is stored in RAM,
it is extremely important that you maintain a continuous power
supply to your HP Jornada at all times. If your HP Jornada loses
power, all information you have entered will be lost. The MS
Windows for H/PC 2000 operating system and programs are
stored in ROM, and cannot be erased; however, any programs you
have added and custom settings in existing programs will be lost.
Data stored on a PC Card or CompactFlash Card will be saved,
even if your H/PC loses power. To protect your data, back up
regularly to a PC Card or CompactFlash Card with HP
backup..
HP Jornada uses two types of batteries. The main battery
supplies power whenever your HP Jornada is not connected to ac
power. The backup battery protects your data when the main
battery is not installed (for instance, while you exchange the
main battery).
Main battery
The main battery is the HP Jornada Standard Battery, a
rechargeable lithium-ion battery pack. Use only the HP Jornada
Standard Battery (HP F1281A) or the HP Jornada Extended
Battery (HP F1840A) with your HP Jornada. These batteries are
designed only for use with the HP Jornada and should not be
used to power other devices.
Under normal circumstances, the main battery will provide up to
9 hours of continuous use without recharging. Actual battery life
will vary depending on screen brightness, what applications you
use, and operating conditions. When the main battery runs very
low, your HP Jornada will shut down, and you will be unable to
restart it until you replace the main battery, recharge the
battery, or connect to ac power.
When you replace the main battery, your new battery must be
charged before your HP Jornada will turn on. For information on
charging the main battery, refer to the Connecting the ac
adapter section in chapter 2.