13 in Macbook Pro Battery Replacement

My Problem

I still had the original battery from early 2011 and it was getting up there in cycles.

My Fix

Instructions were very clear which made the repair go very smoothly.

My Advice

Don't over-tighten the tri-wing screws when putting the new battery in. I did this at first and it resulted in the battery being too far in the case to the point where it was butting up against the trackpad, which made clicking difficult. I opened up the case and loosened the tri-wings a bit and that solved the problem.