Tp Battery 70 Plus Plus 9 Cell
      The ThinkPad Battery 70++ (9 cell) features:  Lithium-Ion (Li-Ion) technology 9 cell system battery  Battery energy (Watt-hours):  94 Wh  Compatible with the ThinkPad External Battery Charger (40Y7625)  Supported by L410/L412/L420/L421/L430 L510/L512/L520/L530 T410/T410i/T420/T420i/ T430/T430i/T510/ T510i/ T520/ T520i/T530/T530i W510/W520/W530