01AV429 SB10K97586 01AV431 SB10K97588 01AV430 SB10K97587 01AV494 SB10K97586. For Lenovo ThinkPad X1 Carbon 5th Gen 2017, ThinkPad X1 Carbon 6th Gen 2018 Series Laptop. Battery Type: Li-ion. 1.Li-Ion Laptop Battery 10.8V and 11.1V are in common use.
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