I have a surface Pro 4 from late 2015-early 2016. I have an issue where about once every day or two I will be at (for example) 80% battery and my surface will just turn off. I try and turn it on again and nothing happens - I sometimes get a low battery indicator. When I plug in my computer it will turn on again but it thinks it has 0% battery, but will say time 20 minutes to full charge (charging from 80%).
There is no pattern to it that I can see, I will generally be in class when this happens but it happens during any time of day. Is this a battery hardware problem that can be inexpensively fixed? I know that the surface is rather difficult to repair.
Thanks for any help.