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1080 Backup battery
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For access, remove these FRUs in order:
v “1010 Battery pack” on page 61
v “1020 Optical drive or second battery or travel cover” on page 62
v “1070 Keyboard” on page 73
Table 19. Removal steps of backup battery
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2
When installing: Make sure that the battery connector is attached firmly.
Use only the battery specified in the parts list for your computer. Any other
battery could ignite or explode.
ThinkPad X301 77