A:AnswerNO IDEA.... I WOULD SUGGEST: Google it or you tube it. You will find your answers you are looking for. Good question though. I believe an IMEI # is only from cellular companies that have WIFI enable on the tablets.
A:AnswerYour best bet would be to get a Fire 7 instead of replacing batteries for your existing device.
For around $30 while on sale is the best buy you can do in a long time.