PowerWalker Battery pack for VFI 10000P_RT LCD - Manual (Page 53)

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During the battery test, the UPS transfers to Battery mode and
discharges the batteries for 25% of the original expected runtime.
The status screen displays “Battery test running” and the percentage
of the test completed. The results display on the UPS status screen
as completing.
6.5 Recycling the Used Battery or UPS
Contact your local recycling or hazardous waste center for
information on proper disposal of the used battery or UPS.