Easy Replacement with these directions, but beware sketchy replacement batteries

My Problem

Battery was draining more rapidly after 1.5 years of use and taking longer to charge.

My Fix

Easily, one thing to note is I bought a cheap OPO battery replacement online and the pins on the ribbon connector were bent. Beware buying batteries from sketchy sites, I was able to bend the pins into their proper place but it easily could have been a dud if the pins had broken when I tried to bend them back.

My Advice

It would be a good idea to inspect your replacement battery to make sure all the pins are straight, etc. before beginning the repair. Also, I took off 4 more screws than necessary because I removed all the visible screws. I would include a pic highlighting just the screws on the top plate that need to be removed.