Compatible and suitable for Toshiba PA5278U-1BRS Laptop Battery, it can be used for the laptop model TOSHIBA Portege X30-D X30-E Tecra X40-D X40-E X40-F. This type of laptop battery has been uploaded to batteryclub.org’s shelf list on January 4th, 2021. *Find ou your original model number or part number(P/N), take out of PC, and move your …