Genuine Replacement Battery for Toshiba Dynabook Tecra X50 Business Series Restore your Toshiba Dynabook Tecra X50 or X50-F to optimal performance with this premium 48Wh Li-ion replacement battery. Specifically engineered for Toshiba's business laptop series, this PA5353U-1BRS compatible battery delivers reliable power for professional use with stable 11.4V output and efficient 4080mAh capacity. Perfect for business professionals requiring dependable performance from their Dynabook Tecra X50 series laptop.