Bruh, calm yourself. Your savior is here!!
Thank you for the detailed information; that'll come in handy. I'll recommend 4S, as that is the standard for 1/8 buggies. Some people may run 6S, but thats absolutely nuts. Also make sure your buggy's ESC and motor can handle 4S, too.
4S;
http://www.atomikrc.com/collections/...-with-uni-plug