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ThinkPad Power Manager shows inaccurate battery remaining time after wake-up from sleep or standby mode

When you wake your ThinkPad from sleep or standby mode, Power Manager shows inaccurate battery remaining time in the first minute. One minute later, Power Manager shows accurate battery remaining time. It needs some time for the battery to adjust the status from sleep or standby mode.

Affected configurations

For Windows 7 and Windows Vista operating systems:
ThinkPad Power Manager 3.62 and earlier

For Windows XP operating system:
ThinkPad Power Manager 1.99j and earlier


Power Manager enables you to choose to show the battery remaining time or remaining percentage of battery capacity. You can choose to show the remaining percentage of battery capacity to get the accurate battery status.

To show the remaining percentage of battery capacity, right-click the Power Manager icon on the Windows notification bar and click Remaining percentage.

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

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Document ID : HT062184
Last Updated :
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