Replacement for TOSHIBA PA3730U-1BAS Laptop Battery-8800mAh,Li-ion Color: Black | Rate: 95.00 Wh Battery Type: Lithium-ion (Li-ion) Compatible Part Numbers: PA3729U-1BAS, PA3729U-1BRS, PA3730U-1BAS, PA3730U-1BRS Product Type: Replacement Battery (Brand New),one year warranty Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension (mentioned above) of your device.