OPTI-UPS PS3000B-RM - Manual (Page 28)

20 PS1000B / PS1500B/ PS2200B / PS3000B
PS1000B-RM/PS1500B-RM/ PS2200B-RM/ PS3000B-RM
Changing the batteries in your UPS is a safe and easy procedure. Since the
battery is isolated from the AC input you may leave your UPS and computer or
other equipment on during the following procedure. Please note that if you
choose to leave the UPS on when the battery is removed, it will not be able to
power your equipment if a power failure occurs. Please read the cautions in
section 6.1 before performing the following steps.
1. Remove the front panel.
2. Remove the screws of the battery box.
3. Pull out the battery box.
4. Change and Slide the new battery box into the UPS.
5. Screw the battery box on the case
6. Close the cover.