New Toshiba R850, R752, PA3904U, PA3905U-1BRS, PABAS246 Laptop Battery Product Number: BAT-TOPA3905 Please make sure to check if the unit you have is an exact match to the pictures displayed, as well as the Product Number. What's in the box1 x New Toshiba R850, R752, PA3904U, PA3905U-1BRS, PABAS246 Laptop Battery