The original charger for your Apple iPhone.
Apple MD813ZM / A A1400 USB charge adapter 5 V 1000 mAh for iPhone 5 / 5S / 5C Colour, iPhone 4S / 4, iPhone 3, iPod Mini / Shuffle / Classic / Nano (5G or 6G) 5 W (Accessory) 5
Apple MD813ZM / A A1400 USB charge adapter 5 V 1000 mAh for iPhone 5 / 5S / 5C Colour, iPhone 4S / 4, iPhone 3, iPod Mini / Shuffle / Classic / Nano (5G or 6G) 5 W (Accessory)
No surprise, the same charger than the one that came with your favorite smartphone. Replacing the original (if like me you lost) or second charger, you made the right choice; especially since it is 50% less than the Apple Store.