lenovo battery

Hi there, I have this Lenovo Ideapad 510s that I got in September 2016. It has been working pretty well up until few months ago where it would randomly shuts down when the battery percentage is around 20-30% (sometimes with up to 50ish minutes remaining), and it's not overheating. This doesn't...

My fairly new lenovo ideapad 310-15ISK ran out of battery and now it won't charge. I am certain that the ac adapter and the power jack aren't damaged, the battery itself worked fine as well and showed no signs of damage before it ran out. I would remove the battery but it's built in pretty deep...

Hey, i just bought the legion y720 - laptop 1 day ago. When i tried gaming on the battery (full 100%) i could only play for about 30 minutes, before the battery was dead. I read on the forums, that normally it should be able to play for about 90 minutes.. What i have done: - NVidia control...