Compatibility: Our battery power connector is well-made, snug fit your battery, can install and lock your battery easily.Compatible with Dewalt 20V /18VDCB series lithium-ion batteries. Safety Design: For your safety, Our product has some security design. The switch ensures you can turn on&off the battery easily. The fuse supply overpowers protection. The copper contact improves the conductivity and safety. Heat-resistance 12 AWG wire is suitable for high-power batteries. Easy to Install: Just move the power adapter to the inside of the groove, then push the converter and ensure it had locked the battery. ( Tips: If you want to remove the adapter from the battery, Please press down the buckle of the battery, then remove it. , there are 4 fixing screw holes on the adapter for easy fixing with screws. Versatility: Power wheels adapter has 12.6 inches of 12 gauge wire installed; Maximum permissible current 20A, You can use it to upgrade your power wheels, toys, or Robotics DIY, high power application, etc. Let your kids have nearly endless power wheels fun with a 5-second battery swap out! High quality: Made of high-quality ABS Plasticinjection-moldedexcellent scratch&shock resistance and chemical resistance and is impervious to heat, moisture, and corrosion, perfect for indoor and outdoor use. Warning: This product is not a charger, it only outputs battery voltage and power directly from your battery. The red wire is connected to the positive terminal, and the black wire is connected to the negative terminal; When using, the two wires shouldn't be in contact. If the adapter not be used for a long time, please separate it from the battery.