UPS MAINTENANCE
Batteries
NOTE: DO NOT DISCONNECT the batteries while the UPS is in Battery mode.
With the hot‐swappable battery feature, batteries can be replaced easily without turning the UPS off or disconnecting the load.
If you prefer to remove input power to change the batteries, press and hold the 
(On/Off) button for two seconds and then unplug the UPS.
Consider all warnings, cautions, and notes before replacing batteries.
W A R N I N G
SBatteries can present a risk of electrical shock or burn from high short circuit current. The following precautions should be observed: 1) Remove watches, rings, or other metal objects; 2) Use tools with insulated handles; 3) Do not lay tools or metal parts on top of batteries.
SELECTRIC ENERGY HAZARD. Do not attempt to alter any battery wiring or connectors. Attempting to alter wiring can cause injury.
SReplace batteries with the same number and type of batteries as originally installed in the UPS.
C A U T I O N
Pull the battery out onto a flat, stable surface. The battery is unsupported when you pull it out of the UPS.
To replace the UPS internal battery:
1Pull the top left corner forward and remove the UPS front bezel (see Figure 21).
Figure 21 Removing the UPS Front Bezel
20 | HP T750 G2, HP T750J, HP T1000 G3, HP T1000J, HP T1500 G3, and HP T1500J UPS Models User Guide S |