A:AnswerThis will be rather slow and the hard drive is small for large files. I would go with a slightly better processor if I had a larger budget. But for those with lees money to outlay this will just take a little longer to process
A:AnswerYes it is normal for this laptop to be warm on the bottom after several minutes on your lap. I suggest an small lap desk if it becomes too uncomfortable
A:AnswerThe battery is internal. I don't think it can be replaced. Unless perhaps you open up the laptop and potentially access the battery inside, but, I'm not sure if that's even possible to do.