L20M4P71 L20C4P71 5B10W13974 Laptop Battery Replacement for Lenovo ThinkPad X1 Carbon 9th Gen 10th Gen X1 Yoga 6th 7th Gen 2021 Series L20L4P71 5B10W13973 SB10T83217 5B10W13975 5B10W13972

Specifications: Model: L20M4P71 Voltage: 15.44V Capacity: 57Wh / 3695mAh Battery type: Li-ion. This item is supplied with installation tools. Compatible Laptop/Notebook Models: This battery is suitable for the Lenovo ThinkPad X1 Yoga 7th Gen Series, Lenovo ThinkPad X1 Yoga 6th Gen Series, Lenovo ThinkPad X1 Yoga 2021 Series, Lenovo ThinkPad X1 Yoga 2022 Series, Lenovo ThinkPad X1 Carbon 9th Gen Series, Lenovo ThinkPad X1 Carbon 10th Gen Series, Lenovo ThinkPad X1 Carbon 2021 Series, and Lenovo ThinkPad X1 Carbon 2022 Series. Compatible Part Numbers: L20M4P71, L20C4P71, L20D4P71, L20L4P71, SB10T83217, SB10T83216, SB10T83218, SB10T83215, 5B10W13974, 5B10W13973, 5B10W13975, 5B10W13972. Purchasing Note: Because laptop battery models are complex, you might be unable to precisely identify the required model. Please open your laptop's back cover to verify the original battery model number. Tips: If the new battery is not detected during initial setup, please reinstall it and ensure the connection is fully seated. Discharge the new battery to about 5% (avoid 0%), then fully charge it and complete 3-4 charge cycles to condition the new battery