Electric remote control cars use high capacity compact batteries to drive brushed or brushless motors via an electronic speed control. They run on small but powerful electric motors and rechargeable nickel metal hydride, nickel-cadmium, or lithium polymer cells. Electric batteries take a while to charge, but quick chargers can help save time. High-performance motors must be allowed to cool down after use, in order to avoid demagnetizing the perma Read the rest of this entry »