When travelling from China to Portugal: Some of your China plug types fit in Portugal (C). Bring a compact adapter for the others. Voltage is different (220V → 230V). Check your charger label; if it doesn't list 230V you'll also need a voltage converter. Frequency is. . Planning a trip to Portugal or any part of Europe requires a dependable power solution for your devices. This guide highlights top-rated international power adapters that work well in Portugal, with a focus on USB-C charging, multiple outlets, and compact travel design.