Specifications XT30u connector male-female pair Plain connectors only, no wires Includes four (4) XT30u High Quality Amass male and female Connector pairs High Temperature Nylon Material XT-30u Weight 17.5g 15 Amp (30A Instantaneous) Current Handling Bullet Connectors Connector Dimensions: 5.2mm x 10.2mm x 12.4mm (female), x 13.7mm (male) Plug connector color: yellow Suitable for combat robotics and also for most mini RC models, and LED strip lights.  Also used for connecting motors, Electronics Speed Controllers, and batteries. These are used on our 850mAh and larger Lipo batteries but can also be used in a variety of wiring situations. These connectors are used in a variety of power transmission applications. Many high power components are also fitted with XT30 connectors.