L20C4P71 L20M4P71 Battery Replacement for Lenovo ThinkPad X1 Carbon 9th 10th 11th Gen / X1 Yoga 6th 7th 8th Gen Series Laptop SB10T83217 5B10W13974.

After-sale warranty Rest assured 30 days full refund.12 months free replacement for Non-human factors. Email reply within 24 hours. Note: return windows will be closed after one month. After that, you can click on seller store name on right corner Ask a question and contact directly for any problem. Specifications Battery Model: L20C4P71 ** Voltage: 15.44V ** Capacity: 57Wh 3695m Ah ** Type: Li-ion Battery