If you've got an iPhone 5, iPad 4, or iPad mini and you're on the go a lot, you should check out the Kero Nomad Cable. It's a USB-to-Lightning cable small enough to fit on your keychain. Originally funded through KickStarter, the Kero Nomad Cable is shipping for US$24.99 (with free shipping). It's a clever idea that many will find very convenient—you never know when you might need a charge.
Check It Out: It's a USB-to-Lightning Cable on Your Keychain