Originally Posted by IsleOfMan

Just make sure your chargers support 110-220v before you use the adapter in 220v countries. If the charger only supports 110v, you'll need a voltage converter, not just the plug adapter listed above. Your laptop chargers are, more than likely, fine but your tablet and phone chargers could go either way (though the included 2x USB charger might mitigate that depending on your devices' current demands).