Genuine Toshiba Satellite E205 Battery PA3781U-1BRS The Toshiba Primary Battery Pack is a 6-cell, rechargeable, Lithium Ion batteryCapacity: 10.8V x 5800mAh; 63WhNo. of Battery Cell: 6-cell Battery life may vary considerably depending on product model, configuration, applications, power management settings and features utilized, as well as the natural performance variations produced by the design of individual components. Published battery life numbers are achieved on select models and configurations tested by Toshiba at the time of publication. Recharge time varies depending on usage. Battery may not charge while computer is consuming full power.