About the Backup Battery
The CV41 has a permanent Lithium-Ion battery installed to maintain the time, date, and
CMOS setup information for a minimum of 90 days. The Lithium-Ion battery is not
user-replaceable and should last five years before it needs a replacement.
The backup battery must only be changed by authorized service personnel. For more
information, contact your Honeywell service representative.
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CV41 Vehicle Mount Computer (Windows CE) User Guide