Supports Super Charging Experience faster charging speeds than ever before with Huawei's Super Charging. Using the built-in technology of your latest Huawei device (including the P20 Pro) this Official Huawei mains charger can rapidly recharge your device. No more hanging about, just super quick charging. Specifications Input: 100-240v 50-60 Hz 0.75A Output: 5.0v-2A Or 9V at 2A Or 10V at 4A