Once you have a Mophie Juice Pack, you never go without. Charge it w/its own cord at night, which charges phone & mophie case at same time. Yes, it makes the skinny iPhone case bigger, but you get used to it & it protects your phone at same time. When phone runs out of power, flip the switch & use the Mophie power. Never run out of juice again. Now in glam gold, love that too. $99 & Free 2 Day Shipping with Amazon Prime.
Available at amazon.com