charging issue

Hi, hopefully I'm doing this forum thing right... (I'm new). I have had a major problem with my Mid 2015 15-inch Macbook Pro. For over a month now, it won't charge AT ALL past 37%. It always stops at that number. On top of that, even while connected, the battery goes down, or at least that's...

I have an iBook G4 Mac laptop. It's a model that pre-dates the duel cores that are now standard. I'm having an odd battery issue and I'm wondering if my battery is fried. The other night the computer was run on battery power and was reduced to 25% capacity. Normally this is fine. We just leave...