User's Manual

4.3 Battery Replacement
IMPORTANT! Before you proceed, please review the battery safety precautions available at
https://www.vertivco.com/ComplianceRegulatoryInfo.
You may safely replace the internal battery pack. See the in Specifications on page19, for the part
number of the replacement battery for your UPS model number.
To replace the battery:
1. Turn the UPS on its side or slide it to the edge of a table.
2. Remove the front battery-compartment cover: While firmly pressing in on the V indentation
located in the center just below the USB charging ports, slide the battery compartment cover
down, then lift off the cover and expose the battery, see Removing cover and disconnecting
battery below.
3. Disconnect the battery connector by squeezing and gently pulling the two pieces apart see
Removing cover and disconnecting battery below.
Figure 4.1 Removing cover and disconnecting battery
4. Slide out the existing battery and disconnect bottom top half of the connector cable from the
two battery terminals. Disconnect the red wire first, then the black.
5. Plug the removed connector into the terminals of the new replacement battery. Plug the black
wire in first, then the red.
6. Orient the connector and the replacement battery in the same way as the removed battery
and slide into the UPS.
7. Reconnect the two halves of the battery connector and slide the front panel back on until it
clicks.
8. Press-and-hold the power button for 3 seconds to initiate the battery self-test and clear any
previous battery fault warning.
9. Properly dispose of the old batteries at an appropriate recycling facility or return them to
Vertiv in the packing material for the new batteries.
Vertiv | Liebert® PSA5™ Installer/User Guide
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