HP ML570 - ProLiant - G2 Setup And Installation Manual page 270

System Battery
2. Remove the access panel. Refer to "Removing the Access Panel" in Chapter 3,
"Installing Hardware Options."
3. Locate the battery connector on the system board.
Figure F-1: Locating the system battery
4. Remove the existing battery and note which side is positive.
Figure F-2: Removing the battery
F-2 HP ProLiant ML570 Generation 2 Server Setup and Installation Guide