1100 Backup Battery - Lenovo ThinkPad T420 Hardware Maintenance Manual

1100 Backup battery

For access, remove these FRUs in order:
• "1010 Battery pack" on page 63
• "1050 DIMM slot cover" on page 69
• "1080 Keyboard" on page 73
Removal steps of backup battery
DANGER
Use only the battery speciied 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 igure below and make
sure that the battery connector is attached irmly.
.
Chapter 8 Removing and replacing a FRU
79