Specifications: Brand: Creabest Compatible Brand: For Acer Capacity: 8800mAh/98Wh Voltage: 10.8V (Also compatible for 11.1V) Number of Battery Cells: 9 Type: Li-ion-polymer Battery Code: ACER: 31CR19/652, 31CR19/65-2, 31CR19/66-2, AK.006BT.075, AK.006BT.080, AS10D, AS10D31, AS10D3E, AS10D41, AS10D51, AS10D61, AS10D71, AS10D73, AS10D75, AS10D81, BT.00603.111, BT.00603.117, BT.00603.124, BT.00604.049, BT.00605.062, BT.00605.065, BT.00606.008, BT.00607.125, BT.00607.126, BT.00607.127, BT.00607.130, LC.BTP00.123, BT.00605.065, BT.00606.008, BT.00607.125, BT.00607.126, BT.00607.127, BT.00607.130 Laptop Model: ACER Aspire: 4250, 4251, 4252, 4253, 4253G, 4333, 4339, 4551, 4551G, 4551G-P322G32Mn, 4552, 4552-5078, 4552G, 4560, 4560G, 4625, 4733Z, 4738, 4738G, 4738Z, 4738ZG, 4739, 4739Z, 4741.