CWK New Replacement Laptop Notebook Battery for Acer Aspire 4530-6020 AS07A71 AS07A72 5335 Series (Model MS2253) 4310, 5536, 5542 AS07A31 AS07A75 5740 5740G 5740DG 2930 4520 4720 AS07A72 5738-696 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!