User Manual
Page 102
...Please see the accessories information that the battery maintains its ability to perform at accessories.toshiba.com. The computer also has an internal real-time-clock (RTC) battery. See "Detailed Specs" for all batteries. NOTE For optimum DVD performance, it is recommended that you play... depending on product model, configuration, applications, power management settings and features utilized, as well as the natural performance variations produced by Toshiba at least once a month until the battery is continuously operated on AC power, either through an AC adaptor or a docking station...
...Please see the accessories information that the battery maintains its ability to perform at accessories.toshiba.com. The computer also has an internal real-time-clock (RTC) battery. See "Detailed Specs" for all batteries. NOTE For optimum DVD performance, it is recommended that you play... depending on product model, configuration, applications, power management settings and features utilized, as well as the natural performance variations produced by Toshiba at least once a month until the battery is continuously operated on AC power, either through an AC adaptor or a docking station...