1100 Backup Battery - ThinkPad T420 Hardware Maintenance Manual

1100 Backup battery

For access, remove these FRUs in order:
• "1010 Battery pack" on page 67
• "1050 DIMM slot cover" on page 73
• "1080 Keyboard" on page 77
Removal steps of backup battery
DANGER
Use only the battery specified in the parts list for your computer. Any other battery could ignite
or explode.
Cable routing: Attach the backup battery and route the cable as shown in the figure below and make
sure that the battery connector is attached firmly.
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Chapter 8 Removing and replacing a FRU
83