Before buying the Anker 511 Nano 3 30W IQ3 GaN USB-C Black Charger, keep a few things in mind. The charger does not come with a cable, so you’ll need to use your own USB-C cable. It’s important to note that this charger is suitable for devices that support USB-C charging. The 30W power output is perfect for smartphones and smaller devices, but it may not be sufficient for charging laptops or other high-power devices. Make sure the charger meets the power needs of your device.