I think I am going to go with a higher Millamp and be done with it. As far as the collection I have already started. I have a 50cc ultimate bi 160, ultimate bi .46 glow aand a hobbico superstar 40. Fixing to start a a 25% pilot Sbach and trying to understand all these batteries out there. Never got to far indepth with them until now. Thanks again for all of the help..