Specifications
: 
Model: L21C4P72 
Voltage: 15.48V 
Capacity: 86Wh 5556mAh 
Battery Type: Li-ion 
Battery Condition: Brand New 
Color: black 
Condition: 100% New from Manufacturer, Grade A Cell 
Replace Part Number:
 L21M4P74 SB10W51972 5B10W51871 L21C4P72 SB10W51973 5B10W51872 L21D4P73 SB10W51974 5B10W51873 L21M4P73 SB10W51970 5B10W51869 L21L4P72 SB10W51969 5B10W51868 L21D4P72 SB10W51971 5B10W51870. 
Compatible Laptop Models: (use"Ctrl+F to find your model quickly")
 for Lenovo ThinkPad P16s Gen 1 (Type 21BT, 21BU, 21CK, 21CL) Series;
 for Lenovo ThinkPad P16s Gen 2 (Type 21HK, 21HL, 21K9, 21KA) Series;
 for Lenovo ThinkPad T16 Gen 1 (Type 21BV, 21BW, 21CH, 21CJ) Series;
 for Lenovo ThinkPad T16 Gen 2 (Type 21HH, 21HJ, 21K7, 21K8) Series.