CWK 7800mAh 9 Cell New High Capacity Battery for Acer Aspire 7551-P324G50Mn 7551-2531 7551-2575 7551-2961 AS5253-BZ661 AS5253-BZ492 AS5253-BZ400 5253-BZ602 AS5551-2036 AS5551G AS5552 AS5552-3036 AS5552-3104 AS7741Z-4643 AS7741Z-4815 AS7741Z-4839 TM4740 5251 Acer eMachines D528, D440, D440-1202G16Miks D442 D642,D530 D730 D730-332G25,D732,E530,E730,E650,E442,E642 G440 Gateway NV53A10e NV53A46u NV53A24u NV53A04e NV53A05u NV53A48u NV73A ( MS2291 ) Series NV73A08u NS41I NS41IG NS51I 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!