Superb Choice 9-cell ACER AS07A51 Laptop Battery Type: Li-Ion Voltage:11.1V Capacity:6600mAh; 9 cells; 1 year replacement warranty,30-day refund guarantee after the purchase. High capacity battery certified by CE and RoHS, This battery was tested and proven to match and/or exceed original specifications of ACER products If your original battery is a 6-cell battery, this 9-cell battery has much higher capacity and works longer hours after each charge. However, it is bigger, heavier and sticks out due to the extra 3 cells. It will still fit in your laptop. Replacement For: ACER AK.006BT.020 AK.006BT.025 AS07A31 AS07A32 AS07A41 AS07A42 AS07A51 AS07A52 AS07A71 AS07A72 AS07A75 BT.00603.036 BT.00603.037 BT.00603.076 BT.00604.022 BT.00604.023 BT.00604.030 BT.00605.018 BT.00605.020 BT.00605.036 BT.00606.002 BT.00607.012 BT.00607.013 BT.00607.019 BT.00607.066 BT.00607.067 BT.00607.068 BTP-AS4520G LC.BTP00.012 MS2219 MS2220 Z01 Z03 Fit Machine Models: ACER Aspire 2930 4530 5740 2930 4530 4710 4736 4930 5542 5738 5740 EMACHINE D620

Superb Choice 9-cell ACER AS07A51 Laptop Battery Type: Li-Ion Voltage:11.1V Capacity:6600mAh; 9 cells; 1 year replacement warranty,30-day refund guarantee after the purchase. High capacity battery certified by CE and RoHS, This battery was tested and proven to match and/or exceed original specifications of ACER products If your original battery is a 6-cell battery, this 9-cell battery has much higher capacity and works longer hours after each charge. However, it is bigger, heavier and sticks out due to the extra 3 cells. It will still fit