L19L6P71 L19C6P71 Laptop Battery for Lenovo ThinkPad P15 P17 T15G G1 G2 Gen 1 2 Mobile Workstation 20ST 20SU 20SN 20SQ 20YU 20YQ 20YS 20YR 20UR 20US Series SB10T83201 SB10T83202 5B10W13958 5B10W13959