Specifications:BatteryType:Li-ionVoltage:14.8VCapacity:4800mAh/8cellCompatiblewithLaptopModels: AcerAspire5520SeriesAspire5520-5A2G16Aspire5520-6A2G12MiAcerAspire5520GSeriesAspire5520GAspire5520G-402G25MiAcerAspire5720,5720GSeriesAcerAspire5920SeriesAspire5920-1A2G16MiAspire5920-302G12MiAspire5920-302G16MNAspire5920-3A2G16MiAspire5920-6582Aspire5920-6661AcerAspire5920GSeriesAspire5920GAspire5920G-102G16Aspire5920G-302G16MNAspire5920G-302G20HAspire5920G-302G20NAspire5920G-302G25Aspire5920G-302G25HiAspire5920G-302G25HnAspire5920G-302G25MnAspire5920G-3A2G25MnAspire5920G-602G16MnAspire5920G-602G20HNAspire5920G-602G25MnAspire5920G-702G25HnAcerAspire7520GSeriesAspire7520Aspire7520GAcerAspire7720GSeriesAspire7720Aspire7720G ReplacementPartNumber:AS07B31AS07B32AS07B41AS07B42AS07B51AS07B52AS07B71AS07B72