CWK 7800mAh 9 Cell New High Capacity Battery for Acer Aspire 5560 5736G 5749 5749Z 5755 AS10D56 AS10D61 Gateway NV53A NV53A38u NV53A52 NV53A52 NV53A52u AS10D51 Acer Aspire 4771G 5253 5253G 5551G 5552 5551-2805 7750G 7560 AS10D31 AS10D71 AS10D61 Acer Aspire 4551 5251 5551 5741 7741 Acer AS10G3E AS10D73 Aspire 4771 5741Z 4251 4252 4253G 4552 4625 AS10D31 Acer Aspire 5741 7551G-5821 7551G-6477 7552G-5107 7741-5137 Acer 31CR19/65-2 31CR19/66-2 Aspire 5750 5736Z 5750G 7251 7551 4741Z Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 11.1 Volt (10.8 Volt compatible) Capacity: 7800mAh (Better than 6600mAh) 90 Day Money Back. Buy with confidence!