CWK New Replacement Laptop Notebook Battery for Acer Aspire 4736G 4736G-2 4736Z 4736ZG 4740G-432G50Mn 4520G 4540 4540G 4520-5141 4720ZG 4730-4901 4730-4947 4315-2904 5735Z-582G16Mn 5735-4774 5536-5165 5735-4774 4220 4230 4235 4240 4315 4320 4330 4332 4336 4520 AS07A51 AS07A52 AS07A71 4530-5627 4530-5889 4530-6823 AS07A71 4710 5740-6491 5536G 5738 5738Z 5735 5735Z 5541G AS07A31 5338 5536-5411 5536-5663 5536-5872 5536-5883 4315 4935 4520G 5738ZG 2930-582G25MN 4540G 4336 BT.00604.022 5300 4 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!