L20C4P72 L20M4P72 L20D4P72 L20L4P72 SB10W51916 SB10W51914 SB10W51915 SB10W51917 5B10W51815 5B10W51816 5B10W13976 5B10W51814. For Lenovo ThinkPad T14s 2nd Gen (T14s 2021) Series. Remove the old battery, carefully install the new battery on the battery box, tighten the screws, and then connect the wires of the new battery.
