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PAQ P
PC B
I
OCKET
ATTERY
U
C
S A G E
O N S I D E R A T I O N S
iPAQ Pocket PC
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The iPAQ Pocket PC will operate as follows when the battery gets low: (There are 4 main
stages)
o Stage 1: When the unit reaches a low charge, a low battery-warning message will appear
periodically. The system will continue to function normally.
o Stage 2: As the battery charge reduces, the backlight is unable to be set higher than
Medium Bright.
o Stage 3: The audio playback will be halted and an error message will be displayed.
o Stage 4: When the unit reaches a critical charge level, the power button will no longer
function. The iPAQ Pocket PC is now in "battery reserve".
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When the iPAQ Pocket PC is in battery reserve, connecting to AC power will cause the unit to
perform a normal reset (also known as a soft reset), after which all normal operation resumes
with full access to data and installed applications.
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The iPAQ Pocket PC battery is designed to retain at minimum 80% of original battery capacity
after 300 complete discharge and charge cycles. With an average use model of 1 hour/day and
charging daily, useful life will be approximately 3 years.
Expansion Packs
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Accessories can have a dramatic effect on battery charge. LAN and modem cards can require
enough power to reduce the battery charge by half. "Low Power" accessories or those designed
specifically for Pocket PC will provide better power consumption than those designed for
notebook computers.
Compact Flash Card Expansion Pack
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The CF Card Expansion Pack does not have a battery. All power for the CF Card Expansion
Pack comes from the iPAQ Pocket PC system battery.
PC Card Expansion Pack
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The battery in the PC Card Expansion Pack has the capacity of 1000 mAh. This battery will
supply power only to the PC Card that is inserted into the expansion pack. The battery will not
power the iPAQ Pocket PC.
If the voltage in the main battery of the iPAQ Pocket PC is less than the voltage in the PC Card
•
Expansion Pack, then a trickle charge will activate. This trickle charge will continue at a rate of
100 mAh until the charge in the iPAQ Pocket PC battery is greater than that of the PC Card
Expansion Pack. The trickle charge only occurs from the Expansion Pack to the main battery of
the iPAQ Pocket PC.
Dual Slot PC Card Expansion Pack
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The Dual Slot PC Card Expansion Pack has two batteries with a total capacity of 2000 mAh.
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