Different countries use different power adapters; therefore, the plug you use at home might not fit a socket while traveling to anywhere else or in your holiday accommodation. There’re different types of power point connections across the world, and no one thought ahead and decides to use a single standard to air compatibility. Instead, every country developed different designs of power adapter with different standards to suit their needs. If you are getting ready for an international trip with all your gadgets, how sure are you about which travel power adapter plug you need to bring so that you can actually use it? What to Look before Choosing the Suitable Travel Power Adapter? AC vs. DC Power : Alternative current or AC is what usually in the walls, and direct current or DC usually comes from a battery. Not to be confused with ac/dc, a classic rock band. For the sake of completeness, current is measured in Amperes.