Toshiba Portege 4010 User Guide - Page 89

Mobile Computing Running the computer on battery power 89 battery is being charged. If the DC-IN or AC power light indicator does not glow, power is not being supplied. Check the connections to the AC adapter and power cable. 5 Charge the battery until the battery light glows green. ❖ If you have extra batteries, rotate their use. ❖ If you will not be using the system for an extended period (more than one month) remove the battery. ❖ Disconnect the AC adapter when the battery is fully charged. Overcharging makes the battery hot and shortens life. ❖ If you are not going to use the computer for more than eight hours, disconnect the AC adapter. ❖ Store spare batteries in a cool dry place out of direct sunlight. Using additional batteries If you spend a lot of time traveling and need to work for many hours without an AC power source, you may want to carry additional charged batteries with you. You can then replace a discharged battery and continue working. Battery safety precautions ❖ If the battery pack produces an odor, overheats or changes color or shape while it is being used or charged, turn off the computer's power immediately and disconnect the power cord from the power socket. Carefully remove the battery pack from the computer. ❖ Do not try to disassemble a battery pack. ❖ Do not overcharge or reverse charge a battery. Overcharging will shorten its life, and reverse charging could damage it.