Remax RP-U22 is a solid choice if you need a charger that is compatible with many mobile devices. It supports 100-240V mains voltage, so it will work great in most countries around the world without the need for a voltage converter. It features a charging current of 2.4 A, which allows you to quickly charge not only phones, but also tablets and other devices. It has two USB ports, which will allow you to replenish the energy of two devices at the same time. A number of safety features make the product protect connected equipment from short circuit, overheating, etc.