Charging The Internal Backup Battery - Motorola VC5090 Quick Reference Manual

22
Main Power Switch
Use the Power button on the Quick Access Panel to place the VC5090
into Suspend mode or wake the VC5090 from Suspend mode.
This is usually enough to conserve battery power while the VC5090 is
idle during off time in normal operation.
Switch off the Main Power switch after the VC5090 is already in Suspend
mode only when removing power completely from the VC5090. All data
stored in RAM is lost.
Always place the VC5090 in Suspend mode prior to switching
NOTE
off the Main Power switch and removing power from the
VC5090.

Charging the Internal Backup Battery

After installing the VC5090, leave it powered on for 24 hours to fully
charge the internal backup battery. Note that the VC5090 can charge the
backup battery while in Suspend mode, but not if power is removed.
The internal battery maintains the RAM memory for 72 hours when fully
charged. The data in the Flash memory or Flash file system is not
affected by the state of charge.
VC5090 Vehicle Computer
Power Button