CWK&reg; New Replacement Laptop Notebook Battery for Acer Aspire 8935 8940 8940G 8942 AS07B31 AS07B32 AS07B41 AS07B42 Acer TravelMate 7230 7530 7530G 7330 AS07B41 AS07B51 AS07B61 AS07B71 AS07B42 Gateway MC73 MC78 MD24 MD26 MD73 MD78 NV73 NV74 NV79 NV7900 MC73 MC7300 MC78 MD73 MD7309u MD78 MD7822u MD7312h 934T2180F Acer eMachines E510 E520 E720 G420 AS07B41 AS07B51 G520 G620 G720 Gateway NV73 NV74 NV78 AS07B32 NV79 AS07B41 AS07B31 MD7335 MD7801U MD7818U MD7820U MD7811u AS07B71 AS07BX1 Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 11.1 Volt (10.8, 14.8, 14.4 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!