CWK 7800mAh 9 Cell New High Capacity Battery for Acer Aspire AS5750-6498 AS5750-6589 AS5750-6602 AS4733Z AS4733Z-4418 Acer Gateway 934T2078F AK.006BT.075 AK.006BT.080 AS10D31 LC.BTP00.127 Acer Aspire 5551-2298 5551-2012 5551-2652 5551-4931 5742Z-4371 eMachines E440 E442s Gateway NV55S07U-6344G50MNRK NV57H26U NV54400mA Acer Aspire 5251-1080 5251-1513 5251-1005 5251-1549 5251-1007 Acer MS2307, MS2309, MS2310, MS2313, MS2319 MS2332 MS2343 ZQ5A 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!