Nitecore Quick Charging 3.0 USB Charger Adapter Black 6952506493012. 0 USB wall adapter. The QC 3.0 charging adapter is capable of charging your devices at 3A max speed. Just plug it into a standard US power outlet plug in your USB compatible device and you're in business. Specifications for Nitecore Quick Charging 3.0 USB Charger Adapter: Manufacturer: Nitecore Color: Black Length: 2.5 in Width: 1.75 in Height: 1 in Weight: 1.6 oz Package Contents: Nitecore Quick Charging 3.0 USB Charger Adapter Nitecore 6952506493012: Quick Charging 3.0 USB Charger Adapter Black