Toshiba Satellite Pro 4300 User Manual - Page 80

Charging the batteries When the power in the battery pack becomes low, the Battery indicator flashes orange indicating that only a few minutes of battery power remain. If you continue to use the computer while the Battery indicator flashes, the computer enables Hibernation mode (so you don't lose data) and automatically turns 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 socket and plug the other end into a working outlet. The Battery indicator glows orange when the battery is being charged. Use only the computer connected to an AC power source or the optional Toshiba Battery charger to charge the battery pack. Do not attempt to charge the battery pack with any other charger. Time The following table shows the time required to fully charge a discharged battery. Battery type Battery RTC battery Charging time (hours) Power on Power off 4 to 10 or longer about 3 10 or longer Doesn't charge The charging time when the computer is on is affected by ambient temperature, the temperature of the computer and how you use the computer. If you make heavy use of external devices, for example, the battery might scarcely charge at all during operation. Refer also to the section Maximizing battery operating time. The same factors affect charge time. Battery charging notice The battery may not charge right away under the following conditions: The battery is extremely hot or cold. To ensure the battery charges to its full capacity, charge the battery at room temperature of 10° to 30°C (50° to 88°F). The battery is nearly completely discharged. Leave the AC adaptor connected for a few minutes and the battery should begin charging. 6-6 Power and Power-Up Modes User's Manual