Toshiba Tecra R850 User Manual - Page 152

R850/R840/R830 Charge the battery pack only in an ambient temperature between 5 and 35 degrees Celsius. Otherwise, the electrolyte solution might leak, battery pack performance might deteriorate and the battery life might be shortened. Never install or remove the battery pack without first turning off the power and disconnecting the AC adaptor. Never remove the battery pack while the computer is in Sleep Mode. Data could be lost. Never remove the battery pack while the Wake-up on LAN function is enabled. Data will be lost. Before you remove a battery pack, disable the Wake-up on LAN function. Charging the batteries When the power in the battery pack becomes low, the Battery indicator will flash orange 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 orange while the battery is being charged. Use only the computer connected to an AC power source or optional TOSHIBA Battery charger to charge the battery pack. Never attempt to charge the battery pack with any other charger. Charging Time (hours) for R850 series Battery type Battery pack (48Wh, 6 cell) Power off about 3 Battery pack (66Wh, 6 about 4 cell) RTC battery Doesn't charge RTC battery (High Capacity) Doesn't charge Power on about 3 ~11 about 4 ~15 about 10 about 20 User's Manual 5-5