Hi, I purchased a Vaio fit 15 laptop computer (with of-course unchangeable battery) and I’m wondering if I need to calibrate the battery or not? The seller told me that it is needed and I have to discharge and charge it 3 times in order to be calibrated (I do it once till now).
Another issue: do you recommend keeping the battery charge between 40% and 60% or it’s not necessary?
My laptop computer will turn off by 7% of battery charge (my experience of first attempt to discharge!). I use my...
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