AolsteCell Battery L20C4P71 for Lenovo ThinkPad X1 Yoga Gen 7-21CD007FCA, ThinkPad X1 Carbon Gen 11-21HM004CUK, ThinkPad X1 Carbon Gen 11-21HM004DMB, ThinkPad X1 Carbon Gen 11-21HM004KIU, ThinkPad X1 Carbon Gen 11-21HM004LIV
- Voltage: 15.44V
- Capacity: 57Wh