uNu announced the Ecopak ($80), a battery case for the iPhone 5. The Ecopak features a 2500 mAh battery, which uNu claims will increase the iPhone 5’s battery life by roughly two times. When additional battery power isn’t required, the battery pack can be detached. A USB output is included for power sharing with any other mobile device. Ecopak will include an LED power indicator to prevent unnecessary recharging, and will come in eight…
