Get a Portable Battery
While having the right foreign AC plugs and adapters are always a huge help while traveling, you may be planning a trip where you won’t have much access to electrical outlets, or maybe planning a trip that includes significant periods of road travel. In these cases, it’s imperative to bring a portable battery that can provide extra iPhone charges when you need them the most. Even better yet, some portable battery packs (like this one) come bundled with foreign outlet adapters.