Chosen Solution
I recently replaced my macbook pro battery with an Ifixit battery and it only seems to last about 2.5 hours. It seems that my previous battery that came with the computer lasted up to 10 hours when new? Shouldn’t my replacement battery be lasting longer then a couple+ hours?
Let’s do some testing of the battery. Complete the guide below, also be sure to upload 2 screenshots, one screenshot with the MagSafe adapter in and another screenshot without the MagSafe adapter in. How to Test a Mac Laptop Battery