Our travel products editor swears by this travel power adapter. It has four USB-C ports with a combined total output of 145 watts, ... Key Power 230-Watt Step Down 220V to 110V Voltage Converter.

If your device can’t handle a higher voltage and you plug it directly into a 220V outlet, you could fry it instantly. ... MagSafe and MagSafe 2 Power Adapters, 10W, 12W, 30 and 35W USB Power ...