47It takes approximately2.5 to 3 hours to fully charge one battery pack. Formodels having both the main battery pack and second battery pack, the twoare charged in parallel.CAUTION: After the computer has been fully recharged, do not immediatelydisconnect and reconnect the AC adapter to charge it again. Doing so maydamage the battery.Initializing the Battery PackYou need to initialize a new battery pack before using it for the first time orwhen the actual operating time of a battery pack is much less than expected.Initializing is the process of fully charging, discharging, and then charging. Itcan take several hours.A software tool called “Gauge Reset” is provided for the purpose. Use theG-Manager program and select the Battery tab to find the tool.Checking the Battery LevelNOTE: Any battery level indication is an estimated result. The actual operatingtime can be different from the estimated time, depending on how you areusing the computer.You can find the battery icon on the Windows taskbar (lower-right corner).The icon shows the approximate battery level.For models having both the main battery pack and second battery pack, thetwo are discharged in parallel.Battery Low Signals and ActionsThe battery icon changes appearance to display the current state of the battery.Battery Icon Battery Level DescriptionWindows 10 Windows 7Discharging The icon shows the charge remaining in10-percent increments until the chargereaches the low-battery level.