Anker New Laptop Battery for Toshiba Satellite PA3399U-2BAS PA3399U-1BRS PA3399U-2BRS PA3399U PA3478U-1BRS PABAS057 PA3400U-1BRS PABAS076 PA3478U-1BAS PABAS077 PA3399-2BRS PA3400U-1BRL PA3399 PA3399U-2BAS PA3399U-1BAS PA3400U-1BAS PA3400U - 18 Months Warranty [Li-ion 6-cell 4400mAh/48WH]