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lghocr
Fanfold Paper
Posts: 1
Registered: ‎06-15-2017
Location: GB
Views: 558
Message 1 of 1

Charge Threshold - Registry Ignored

I am driven crazy by Battery Charge settings on T440 (Windows 10). It charges internal and external battery to 80% whatever I do. I can't change this (for example to increase level so as to maximise battery life when going on a trip). The controls in Lenovo Settings have no effect - ON/OFF, changing thresholds all do nothing. I have looked in the Registry and changed the Start and Stop Values for the specific batteries and also disabled both Start and Stop charge control - this has no effect after a system Reset although the new Registry settings are there. The same 80% battery thresholds are used when the device is switched off which must surely mean that it is not software controlled and some settings must have been passed to to the battery or charging system hardware.

 

As far as I know I have the latest versions of Lenovo Settings, Power Manager etc. The fact that the registry settings are ignored leaves me nothing else to try. Any ideas?

 

 

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