Battery type: Li-ion; Cells: 6-cell; Capacity: 5200MAH; Voltage: 11.1V. The battery is durable and has overcurrent protection, anti-overcharge, anti-overdischarge and temperature control functions. Compatible Models: 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 Compatible Part Numbers:ACER Aspire 2930 2930G 2930Z 4230 4310 Series 4315 4330 4520 4520G 4530 4710 4710G 4715Z-3A0512C 4720 4720G 4720Z 4730 4730Z 4730ZG 4920 4920G 4930 4930G 4935 4935G 4520-5141 4315-2904 4530 4530 4730 4720ZG 4715Z 5335 5735 5735Z 4540 4540G 5542G Security & Reliability: Our batteries are assembled from top quality material and circuit boards to ensure fast charges and low power consumption, 1