Showtime 90 convert. Help
I'm new to this so all the help I can get would be great ......I want to convert my Showtime 90 to electric . I bought a E-flight 110 outrunner motor and need some info on batteries ? I have 6s4200 pack and 6s4900 for my T-Rex 600 heli can I use them or should I make some A123 packs ? Any help would be great ....Thanks