High-quality, stable, and durable battery adapter that greatly improves conductivity and safety, ideal for upgrading power wheels, toys, or DIY robotics projects. HIGH-QUALITY -- Made of high-quality ABS Plastic, injection-molded, excellent scratch shock resistance and chemical resistance and is impervious to heat, moisture, and corrosion, perfect for indoor and outdoor use. GREAT FOR DIY -- Enjoy yourself in DIY! You can use it to upgrade your power wheels, toys or Robotics DIY, high power application and etc. Let your kids have nearly endless power wheels fun with a 5-second battery swap out and sufficient electrical energy. POWER BY MILWAUKEE 18V M18 BATTERY ONLY -- Suit for Milwaukee M18 battery 18V series (M18, 48-11-1828, 48-11-1815, 48-11-1840, 48-11-1850, 48-11-1860, 48-11-1890) Power wheels adapter has installed 12-gauge wire, maximum permissible current 55.6A. NOTE -- Adapter can not convert the voltage also does not come with batteries or tools just battery adapter for Milwaukee. The red wire is connected to the positive battery terminal, and the black wire is connected to the negative battery terminal; If not used for a long time, please separate it from the battery. MULTI-FUNCTION -- You can use it to upgrade your power wheels, toys, or Robotics DIY, high power application, etc.