Toshiba Satellite P850 PSPKBC Users Manual Canada; English - Page 139

Satellite P850/P855 Series Charging Time The following table shows the approximate time required to fully charge a discharged battery. Battery type Battery pack (48Wh, 6 cell) Power off 3 hours Power on 12 hours Battery pack (66Wh, 6 cell high capacity) 4 hours 12 hours RTC battery 24 hours 24 hours Please be aware that the charging time when the computer is on is affected by ambient temperature, the temperature of the computer and how you are using the computer - if you make heavy use of external devices for example, the battery might scarcely charge at all during operation. Battery charging notice The battery may not begin charging immediately under the following conditions: The battery is extremely hot or cold (if the battery is extremely hot, it might not charge at all). To ensure the battery charges to its full capacity, you should charge it at room temperature of between 5°C to 35°C (41°F to 95°F). The battery is nearly completely discharged. In this instance you should leave the AC adaptor connected for a few minutes and the battery should begin charging. The DC IN/Battery indicator may show a rapid decrease in battery operating time when you try to charge a battery under the following conditions: The battery has not been used for a long time. The battery has completely discharged and been left in the computer for a long time. In such cases you should follow the steps as detailed below: 1. Fully discharge the battery by leaving it in the computer with the power on until the system automatically turns itself off. 2. Connect the AC adaptor to the DC IN 19V jack of the computer, and to a wall outlet that is supplying power. 3. Charge the battery until the DC IN/Battery indicator glows white. Repeat these steps two or three times until the battery recovers normal capacity. User's Manual 5-5