Tripp-Lite SmartOnline SU3000RTXL2U Manuel D'utilisateur page 21

7. Battery Replacement
Procedure
1
Remove the four front
screws from the front bezel
and take it off.
2
Loosen the two screws
securing the front plate.
3
Open the front plate.
Disconnect battery power
cable.
4
Remove old battery pack.
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