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Cannot switch Energy Management to "Best battery health" when battery is at low level

The computer is running under the battery health mode of "Best battery health". Unplug the AC power, use the computer battery till dropped to 8~10%. The battery health mode will auto switch to "Optimize for battery runtime" see Fig.1 and cannot switch back to "Best battery health" until charge to 50%.



Affected configurations

The above symptom may occur under the following systems:

IdeaPad Yx7x


On the following software:

Lenovo Energy Management



When the battery is at low level, the battery health mode will automatically switch to "Optimize for battery runtime" and cannot switch to "Best battery health" until charge to 50%. It is due to the special design for Yx7x. When the battery is at low level, "Optimize for battery runtime" mode will enable battery to last long runtime.

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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Alias ID : IN20120418-001
Document ID : HT073427
Legacy Document ID : IN20120418-001
Last Updated :
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