Battery L17C4P72 L18M4P71 for Lenovo ThinkPad X1 Extreme Gen 1/ Gen 2 P1 Gen 1

L17C4P72, 01AY969, SB10Q76929. L18M4P71, 01YU911, SB10S57317. ThinkPad P1 1st Gen (P1 2018) Series. ThinkPad P1 2nd Gen (P1 2019) Series. 1.Li-Ion Laptop Battery 10.8V and 11.1V are in common use. 2.Li-Ion Laptop Battery 14.4V and 14.8V are in common use.

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