01AV429 SB10K97586 01AV431 SB10K97588 01AV430 SB10K97587 01AV494 SB10K97586. For Lenovo ThinkPad X1 Carbon 5th Gen 2017, ThinkPad X1 Carbon 6th Gen 2018 Series Laptop. Remove the old battery, carefully install the new battery on the battery box, tighten the screws, and then connect the wires of the new battery.
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