Toshiba NB305-N411BL User Manual - Page 81
Charging the batteries, Procedures, Battery charging notice
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Power and Power-up Modes Charging the batteries When the power in the battery pack becomes low, the Battery indicator will flash amber to indicate that only a few minutes of battery power remain. If you continue to use the computer while the Battery indicator flashes, the computer will enable Hibernation Mode so that you do not lose any data, and automatically turn itself off. You must recharge a battery pack when it becomes discharged. Procedures To recharge a battery pack while it is installed in the computer, connect the AC adaptor to the DC IN 19V jack and plug the other end into a working outlet - the Battery indicator will glow amber while the battery is being charged. Use only the computer connected to an AC power source to charge the battery pack. Never attempt to charge the battery pack with any other charger. Time The following table shows the approximate time required to fully charge a discharged battery. Battery type Battery Pack (3 cell) Battery Pack (6 cell) RTC battery Power on about 12 or longer about 12 or longer about 24 Power off about 4 or longer about 6 or longer about 24 with AC or Battery pack Charging time (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. Please refer to the section Maximizing battery operating time for further information. 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° to 35°C (41° 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. User's Manual 6-6