Read back through my first reply. The link to the type of hard drive you need is there- 2.5" Mobile hard drive. I am not sure why you are still confused.
Hard drive:
https://www.amazon.com/Black-500GB-Performance-Mobile-Drive/dp/B00QFXOL5G/ref=sr_1_1?ie=UTF8&qid=1534901445&sr=8-1&keywords=500+gb+mobile+hdd
Battery:
https://www.impactcomputers.com/637193-001.html