Chargerito Ultra-Portable Wall Charger

The Chargerito bills itself as “the world's smallest wall charger”, and who knows, maybe they're right. It's an adapter with foldable prongs that's tiny enough to keep on a keychain, then when you need it, it can be plugged straight into the wall with the your device resting on the adapter that unfolds upward from the top.

Look, it's easier if you just watch the video:

With this thing, you'll never find yourself without a phone charger again. It comes in three forms, so choose the one that's best for your device: