Compatible Part Number:L20C4P71 SB10T83217 5B10W13974Compatible Part Number:L20D4P71 SB10T83218 5B10W13975Compatible Part Number:L20L4P71 SB10T83215 5B10W13972Compatible Part Number:L20M4P71 SB10T83216 5B10W13973Compatible Models:Lenovo ThinkPad X1 Carbon 9th Gen type 20XW 20XXSeries: 20XW005JGE 20XW0069HH 20XW004SCA 20XWS00600 20XW005PMX 20XWS00700 20XWS03E00 20XW0050GE 20XWCTO1WW 20XXS00100 20XW004SUS 20XW0075HH 20XW0026GE 20XW004AUS 20XY003GGE 20XW004AUS 20XW0027IV 20XWS01200 20XX001RAU 20XW0009AD 20XX001RAU 20XW002EMZ 20XW005JPG 20XW008MMH 20XW00A2CX 20XW005VPG 20XX0022MB and more.Compatible Models:Lenovo ThinkPad X1 Yoga 6th Gen type 20XY 20Y0 Series: 20XY002TUS 20XY002XUS 20XY002RUS 20XY006HGE 20KG0027GE 20XY003AIV 20XYCTO1WWDEDE1 20XY001PAU 20XYS00200 20XY004BCK 20KHS00Y00 20XY002KUS 20XY006LGE 20KHS01400 20XY0059HH 20XY002PCA and moreCompatible Models:Lenovo ThinkPad X1 Carbon 10th Gen Type 21CB 21CC SeriesCompatible Models:Lenovo ThinkPad X1 Yoga 7th Gen Type 21CD 21CE Series 1. You need to turn off your laptop and disconnect the power.
2. Disconnect the connection between the old battery and the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery screws one by one and carefully save each screw.
3. Remove the old battery, carefully install the new battery on the battery case, screw in the screw, and connect the wiring of the new battery.
4. If you don't understand the above steps, you can search for the video about laptop battery installation on YouTube. Maybe it will help you.
Install A New Battery: