When the “replace battery” indicator lights up, it may be necessary to replace the battery of an uninterruptible power supply (UPS).
Note: it is also important to ensure that the battery really requires replacement. In an earlier post, I let you know that there may be instances when the red light indicator turns on even though it is not necessary to replace the battery.
The following shows the steps in replacing a rack-mount battery of an APC Smart UPS.
1. Position the UPS to let it face you
2. Remove the front bezel of the UPS
3. Pull the battery connector by the string
4. Remove the screws holding the battery in place
5. Pull the battery module out
6. Get a new rack-mount battery
7. Slide in the replacement battery and mate the Anderson connectors
8. Screw the battery module back in place
When replacing a rack-mount battery of a UPS, it is important to keep in mind that the equipment may contain high voltages. Due to this it is necessary to avoid disassembling the entire unit except the part where the battery is positioned. It is also important for users to remember that the battery is the only component they can service. The original battery and replacement battery should have the same type and number. Before replacing the battery, it is advisable to remove watches, bracelets and rings. It is also necessary to use tools with insulated handles.
If the battery replacement light flashes after the battery is replaced, a run time calibration will have to be performed since the UPS may not be able to evaluate the status of the new battery. After the calibration is completed, the UPS will have the new run time availability and the lights should turn off.
The following video shows the step-by-step procedure in replacing a rack mount battery of an APC Smart-UPS: