D-Link DSN-1100-10 - xStack Storage Area Network Array Hard Drive Hardware Reference Manual page 28

To install a battery in your xStack Storage SAN Array, follow these steps:
1. Hold the battery as shown to align the fastener strips. Make sure the battery cable and
connector is located nearest to the battery socket J11 on the controller (see Figure A-4).
Figure A-4 Aligning the Battery
2. Press the battery down firmly as shown in Figure A-5 until you feel it lock into place.
Figure A-5 Press the Battery Down Firmly Until it Locks
28 Appendix A Replacing and Upgrading FRUs