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This is a replacement battery for several Lenovo ThinkPad models.

It fits the X1 Carbon 7th Gen (2019) and 8th Gen (2020), as well as the X1 Yoga 4th and 5th Gen.

The main part number is L18C4P71, and it also crosses to L18L4P71, L18M4P72, SB10K97644, 02DL006, and a bunch of others.

It's a 4-cell LiPo battery with a capacity of 3325mAh and a voltage of 15.36V.

It's made in China, unbranded, and comes with a 1-year warranty.

If your X1 Carbon is tethered to the wall, this battery will give it back its portability.




4.8 out of 5