Thanks for the info! I really appreciate it!

I live in New York. Should I just get a run of the mill energizer/duracell or try a 9.6v or something similar? I've tried looking a couple of them up but im not sure if it's worth it to get something I don't have any experience with.

Hi there! This is my first post! I am relatively new to electronics and I am currently making my second cmoy to give to a friend. After seeing how much use I put mine through I figured that it would be worth it to try a rechargeable 9v battery. I couldn't find any definitive answer for which is...