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SECTION 2Operation
2-10 6110 Hand-Held Computer User’s Guide
Backup Battery
This hand-held computer comes with two 100 mA hour va-
nadium lithium backup batteries. These batteries provide
protection of your data when the main battery is removed
from the hand-held computer or when the main battery
goes into a low battery condition. The backup battery will
not, nor is it intended to, run your application with the
main battery pack run down or removed from your comput-
er.
A fully charged backup battery will provide protection for
maintaining data approximately 2 days with the main bat-
tery removed or completely run down.
The backup battery is not user replaceable. To have your
backup battery replaced, send it in to the Customer Service
Center nearest you. Whenever you send in your hand-held
computer for service, include a description of what you
would like to have done.
Backup Battery Life
The backup battery is rechargeable and will recharge every
time it needs it from either an external charging source or
the main battery pack. If completely run down it will take
at least 14 hours to completely recharge the backup battery.
A frequently run down main battery will not keep the back-
up battery fully charged.
The backup battery should last approximately 2000 dis-
charge and recharge cycles if deep discharged, maintains
data for 16 hours if your unit has 32 MBs of RAM, and pro-
vides service for about 5 years before it needs to be re-
placed. If your hand-held computer alerts you that the
backup battery needs to be replaced, send it in to the Cus-
tomer Service Center for replacement.