ROKR Butterfly DIY Mechanical 3D Kit Blue Front Wheels Key FeaturesExtended capacity with 25% offers incredibly long spin Key FeaturesExtended capacity with 25% more capacity than our Marathon 1600 packsFits the majority of 1 8 and 1 10 scale nitro vehiclesLow resistance 20AWG copper wire for high current applicationsHigh temperature silicone insulation to resist engine heatJR connectors for RTR or racing receiversGold contacts to avoid oxidation10C cellsIncredibly fast charge rateOverviewTeam Orion developed an entirely new cell to create the largest capacity receiver pack: the Marathon 1900 XL Compact dimensions for easy integration into your car or boat model The butterfly has two cool looks: MI05P and MI05B ROKR will turn its attention to the light and beautiful butterflies