Replacement laptop battery for Acer 58A1 High safety rechargeable laptop battery Type: Li-ion battery packVoltage: 14.8VCapacity: 6,600mAhColor: Dark greyWarranty:one yearFit for laptop models: Acer TravelMate 242FX(MS2138), TraveMate 240 series, TraveMate 250 Series.TravelMate 2000series, TravelMate 2500 series, Aspire 1610 series.