Gens Ace LiPo batteries are made by a specialized factory that also manufactures packs for win warm praise from customers brands. These Lipo batteries are superior quality and durable in use. The following lipo batteries are designed for Caldera 10E 1/10 Scale Brushless Truck, our lipo batteries have incredibly low RI and virtually no sag using full throttleare, feature with Quickly Recharged, Long cycle life, Production in the most strict single cell capacity, voltage, resistance, discharge curve matching process and Superior Japan and Korea Lithium Polymer raw materials.