Specifications:Color: Black.Output Voltage:10.8VCapacity: 4400mAh.Type: Li-ion. [ Equivalent OEM:Asus battery: 02K6919, 02K7016, 02K7018, 10L2158, 10L2159, 12J2464, ASM12P4065, FRU02K6506, FRU02K6528, FRU02K6904, FRU12P4064.General Name: ThinkPad 600. ]