Removing and replacing a FRU

1150 Backup battery

DANGER

Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode.

For access, remove these FRUs in order:

v“1010 Battery pack” on page 76

v“1030 Hard disk drive” on page 79

v“1050 Keyboard” on page 82

v“1100 Keyboard bezel” on page 92

2

1

When installing: Make sure that the battery connector is firmly attached.

ThinkPad R50e, R51e and R52 Series 105

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Lenovo R50e Series, R52 Series, R51e Series manual Backup battery