Compatible Brand:Acer; Compatible Laptop Models:Acer:AS10D41 AS10D31 AS10D3E AS10D61 31CR19/65-2 31CR19/652 BT.00607.125 BT.00603.111; Compatible Part Numbers:Acer:Aspire 4551G,4771G,5741G,TravelMate 5740G Series Aspire 4000 Series AS4551-2615,AS45512615; Cell type:Li-ion; Capacity (mAh):4400; Capacity Range (mAh):0-5000; Voltage (v):10.8; Dimension (cm):26.65.42; Color:Black; Shipping Weight(Kg):0.38