... -ion battery model NO : T40 battery Spec : OEM Model Number: Laptop Battery for T40 Model:T40Compatible P/N:08K8194, 92P1010, 92P1011 ... 08K8201, FRU 08K8214, FRU 92P1069, FRU 92P1073, FRU 92P1077,08K8190,Replacement Models:ThinkPad R50-1829 ThinkPad R50p1836 ThinkPad R51e-1861ThinkPad R50 ... ThinkPad R51e-1860Voltage (v):10.8Capacity (mAh):6600CELLS:9 T40 laptop battery