![background image](http://html1.mh-extra.com/html/hpe/storeeasy-1x60-storage/storeeasy-1x60-storage_administrators-manual_2175888134.webp)
Figure 1: HPE Flex Slot Power Supply with Integrated Battery Backup Unit label
Checking the battery backup charge level
Procedure
1.
Using a ball tip pen, press and release the battery check button.
After releasing the button, you may have to wait up to seven seconds before the LED starts flashing.
2
1
1
2.
Note the number of LED flashes and reference the following table.
Flashes
Battery State RSOC
0
Battery bad/failed
1
RSOC <= 29%
2
30% <= RSOC <= 62%
3
63% <= RSOC <= 94%
4
95% <= RSOC
Relative State of Charge
The battery will fully charge within one hour of being installed into the server.
134
Checking the battery backup charge level