NOTE:Only fit for X1 Carbon Gen 5 and Gen 6,Not fit for X1 Carbon Gen 1, 2, 3, 4, 7, 8) Specification: Battery type:Li-ion Voltage:11.52V Capacity:57Wh Cells：3cell recharge cycles：500 Operation time: Around 1.5-3hours Replacement for Part Number 01AV429 / 01AV430 / 01AV431 / 01AV494 SB10K97586 / SB10K97587 / SB10K97588 Compatible Laptop Models For Lenovo ThinkPad X1 Carbon 5th Gen (X1 Carbon 2017) Model 20HR000FUS Series For Lenovo ThinkPad X1 Carbon 6th Gen (X1 Carbon 2018) Model 20KH002FUS 20KH002JUS 20KH002WUS 20KG0022US 20KH002RUS Series.
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