Could i possibly upgrade my battery?

[qqMajiKpp]

someone else did this:

Gameshell 18650 battery mod

Hey everyone, I’ve been recently modding my Gameshell, and thought I’d be nice to share with the community! As I played again and again with my Gameshell, I grew tired of having to recharge it often through a long gaming session, so I decided to update the battery to one with a larger capacity. I chose 18650 batteries, for they are cheap, easy to find, and much reusable. I also enjoy the form-factor, making it looks like old-school Gameboy batteries So I printed a back plate an…