78Battery Pack Guidelines Recharge the battery pack when it is nearly discharged. Whenrecharging, make sure that the battery pack is fully charged. Doing somay avoid harm to the battery pack. The battery pack is a consumable product and the following conditionswill shorten its life:– when frequently charging the battery pack– when using, charging, or storing the battery in high temperaturecondition To avoid hastening the deterioration of the battery pack therebyprolonging its useful life, minimize the number of times you charge it soas not to frequently increase its internal temperature. Charge the battery pack between 10 °C ~ 30 °C (50 °F ~ 86 °F) temperaturerange. A higher environment temperature will cause the battery pack’stemperature to rise. Avoid charging the battery pack inside a closedvehicle and in hot weather condition. Also, charging will not start if thebattery pack is not within the allowed temperature range. It is recommended that you do not charge the battery pack more thanonce a day. It is recommended that you charge the battery pack with the computer’spower off. To maintain the battery pack’s operating efficiency, store it in a cooldark place removed from the computer and with 30 % ~ 40 % chargeremaining. Important guidelines when using the battery pack.When installing or removing the battery pack take note of the following:– avoid installing or removing the battery pack when the computer isin Sleep mode. Abruptly removing the battery pack may causeloss of data or the computer may become unstable.– avoid touching the battery pack terminals or damage may occur,thereby causing improper operation to it or the computer.The computer’s input voltage and surrounding temperature will directlyaffect the battery pack’s charge and discharge time:
