Compatible Part Numbers: 01AV400, SB10J78997, 01AV401, SB10J78998, 01AV402, SB10J78999, 01AV435, SB10K97592, 01AV436, SB10K97593, 01AV437, SB10K97594, Compatible Laptop Models: ThinkPad S2 1st Gen Series, ThinkPad S2 2nd Gen Series, ThinkPad 13 Chromebook Series, ThinkPad 13 1st Gen Series,  ThinkPad 13 2nd Gen Series,   SKU: BAT S1-A Category: Laptop Battery Tags: 01AV400, 01AV401, 01AV402, 01AV435, 01AV436, 01AV437, BATTERY, Chromebook, Laptop, Lenovo, S2 GEN 1, S2 GEN 2, SB10J78997, SB10J78998, SB10J78999, SB10K97592, SB10K97593, SB10K97594, ThinkPad, ThinkPad 13 1st Gen, ThinkPad 13 1st Gen Series, ThinkPad 13 2nd Gen, ThinkPad 13 2nd Gen Series, ThinkPad 13 Chromebook Series, ThinkPad S2 1st Gen Series, ThinkPad S2 2nd Gen Series