The XT30 was designed to meet the needs of the mini revolution,It is perfect for Mini RC use.Made from high-temp Nylon and gold plated spring connectors, both are included in the same injection mold at the time when forming the connector. The XT30 ensures a solid high-amp connection, perfect for applications up to and beyond 35A constant..From 250 class Quadcopters to foamy flyers it is the best option to use as more reliable and a better quality connection than Mini Deans T-Connectors and Mini JST for the given size and weight.