ROKR Butterfly DIY Mechanical 3D Kit Blue Front Wheels Admiral Nelson's Flagship during the HPI 115290 Admiral Nelson's Flagship during the Battle of Trafalgar in the year 1805 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 Nature is full of mysterious beauty As the frequency changes