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- Aug 29, 2016 at 8:27 am #17050
1) Choose the “super energy saver” mode
2) Choose the “super silent” mode in thermal management [lenovo z570 users use the last touch button on rightside of your laptop]
after that use it for 5 min and check the backup time… i am sure that you will see an increase in battery backup time
Note: using your laptop under “super energy saver” reduces the processor speed to consume less power so your system will run slower [ideal when u read PDF, browsing, and other light weight processes], and “super silent” will reduce the fan speed.
- Aug 29, 2016 at 8:27 am #17051
I just performed a small test:
– Minimum brightness
– Power Saver
– Web browing using Google Chrome (integrated graphics).
Result: the battery struggled to reach 3 hours duration.
If you say you can watch 2 movies (assuming 2 hours long each, that makes 4 hours) with high brightness, then it’s clear that my battery is defective. What Energy Mode where you using? Did you perform a clean installation? I clean installed Windows 8.1. I didn’t test the battery life before clean installing.
- Aug 29, 2016 at 8:29 am #17052
Keeping your battery charged to 100% all the time may reduce the lifespan of the battery. If you open Energy Management and click on the button beside Optimize for Battery Runtime, you can choose to Optimize for Battery Lifespan.
This will limit the charge to 80% and it will lengthen the lifetime of the battery, although it will reduce the amount of time the laptop will run on each battery charge. Some versions of the Energy Cut power manager will offer options to Optmize battery lifespan that will limit charge to 50%.
It is not necessary to completely drain out the battery once a week.
If you know that you’re going to be using it on battery and need longer run times, then you can change the setting back to Optimize for Battery Runtime before you use it on battery.
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