CWK New Replacement Laptop Notebook Battery for Acer Aspire AS5738Z MS2253 5740-5847 5740-5255 5740-5367 5735-4624 AS07A31 AS07A32 AS07A41 AS07A42 AS07A51 AS07A52 AS07A71 AS07A31 AS07A32 AS07A41 AS07A42 AS07A51 AS07A52 AS07A71 4720 4720G 4720Z 4720ZG 4730 4730Z 4730ZG AS07A71 4320 4520 2930 AS07A32 AS07A41 AS07A31 4710 AS07A31 AS07A32 AS07A41 AS07A51 AS07A52 AS07A71 AS07A72 4220 4310 4320 4520 4710 4720 4920 AS07A31 AS07A51 4930 4930G 4935 4935G 5735 5735Z 4720 AS07A31 AS07A31 AS07A71 4925G Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 11.1 Volt (10.8 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!