Recently just bought an old 2013 Macbook Pro without a hard drive on eBay, and when I cracked it open, I found the previous (genius) owner had taped the SSD retention screw, along with a majority of the bottom cover screws, to the inside of the bottom cover- right over top of the battery. The previous owner then decided to screw 3 screws into the bottom cover for the journey through the mail. The battery now has a few slight marks and/or dents in it. I am wondering if this is cause for concern. There is no leaking, and the dents appear to be mostly superficial. Is this safe to use or should I invest the time and money to replace it? I have attached pictures... Thanks!