Chosen Solution
I purchased a new battery from you guys for my macbook pro and it seems like it is probably defective. For example, just now It went from 20% battery to life to 6%.
After you calibrate it, let’s take a closer look at it with a better tool. Please download, install, run and post your results using Coconut Battery. https://www.coconut-flavour.com/coconutb…
Be sure to do a calibration, if the issue remains reach out to ifixit https://www.google.com/url?sa=t&rct=j&q=…
