BTI L21M4P74-BTI 86Whr (15.44V) Li-IOn Battery — Compatible with Lenovo P16S & T16 Series

Replacement BTI L21M4P74-BTI Li-IOn battery engineered for select Lenovo workstations. Key specifications: Voltage 15.44V, Capacity 86Whr, Chemistry Li-IOn. Compatible / equivalent part numbers: L21M4P74, SB10W51972, 5B10W51871, 5B11M90038, L21C4P72, SB11M89839, 5B11M90036, L21D4P72, SB11M89837, 5B10W51872, SB10W51973, 5B10W51873, 5B11M90039, 5B11M90037. Compatible Lenovo models and SKUs: P16S GEN 1, P16S GEN 1 21BT, P16S GEN 1 21BU, P16S GEN 1 21CK, P16S GEN 1 21CL, P16S GEN 2, P16S GEN 2 21HK, P16S GEN 2 21HL, P16S GEN 2 21K9, P16S GEN 2 21KA, T16 GEN 1, T16 GEN 1 21CH, T16 GEN 1 21CJ, T16 GEN 2, T16 GEN 2 21HH, T16 GEN 2 21HJ, T16 GEN 2 21K7, T16 GEN 2 21K8. Before ordering, confirm the part number printed on your laptop or its original battery matches one of the listed part numbers to ensure compatibility.