Lenovo ThinkPad i Series 1800 TP A21e, A22e Hardware Maintenance Manual (June - Page 62
Backup battery
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Removing and replacing a FRU 1020 Backup battery DANGER: Use only the battery in the parts listing for the computer you are servicing. The use of an incorrect battery can result in ignition or explosion of the battery. For access, remove this FRU: v "1010 Battery pack" on page 57 1 2 Step 1 Screw (quantity) M2.5 × 3.5 mm, nylon-coated (1) Torque 39.2 Ncm (4 kgfcm) 58 ThinkPad A21e, A22e, i 1800 (MT 2655/2663/2664)
1020 Backup battery
DANGER:
Use only the battery in the parts listing for the
computer you are servicing. The use of an incorrect
battery can result in ignition or explosion of the
battery.
For access, remove this FRU:
v
“1010 Battery pack” on page 57
1
2
Step
Screw (quantity)
Torque
±1²
M2.5 × 3.5 mm, nylon-coated (1)
39.2 Ncm
(4 kgfcm)
Removing and replacing a FRU
58
ThinkPad A21e, A22e, i 1800 (MT 2655/2663/2664)