Tripp-Lite SmartOnline SU750RTXLCD2U Manuel Du Propriétaire page 27

Internal Battery Replacement
4
Remove the batteries using the pull-tab.
Note: Please memorize the original battery position and orientation to ensure you
install the new batteries correctly.
5
Insert the new battery set into the UPS in the same position as
the original set.
6
Replace the metal bar. Replace the two screws on the right
side that hold the metal bar in place.
7
Reconnect the DC connector (red-to-red, black-to-black) and
flip the white connector holder closed.
8
Re-attach the LCD screen connector on the bezel. Replace the
4 front screws to secure the bezel.
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