Tired of your iPhone's battery dying all the time? Invest in an aftermarket case that features a built-in rechargable battery so you can enjoy the piece of mind that comes with extended battery life and protection!

Screen Shot 2013-06-28 at 3.34.02 PMMaxboost Fusion

The Maxboost Fusion case provides increased protection as well as additional battery life. The case features an innovative two-piece design that allows you to only use the thinner lightweight protective case when your battery has a significant charge. However, when your iPhone 5's battery becomes low, you snap on the extended battery pack that is capable of providing a full charge. The case's design includes a charging switch, LED battery level indicator, charge & sync through case, headphone jack cutout, and function button cutouts.

Screen Shot 2013-06-28 at 3.57.56 PMLenmar Meridian

The Lenmar Meridian iPhone 5 case features a black rubberized finish as well as an integrated 2300mAh rechargeable battery without adding significant bulk to your iPhone 5.  By using this case it will help keep your iPhone 5 well protected from the various drops, bumps, or scratches it may be subject to over time. The Lenmar Meridian includes an LED power indicator as well as an on-off power switch allows you to choose when to use extra power.  The case is designed to simultaneously charge the phone and the battery pack for added convenience.

Screen Shot 2013-06-28 at 4.10.29 PMMorphie Juice Pack Helium

The Morphie Juice Pack Helium provides an ultra-thin protective case with a built-in protective battery designed specifically for the iPhone 5. The 1500 mAh battery is rated to give an additional 80% more battery life to get you through those times where you need it most. The case has been designed to allow simultaneous charing of the iPhone and juice pack together and includes an LED indicator which allows you to easily check the battery levels.

Screen Shot 2013-06-28 at 4.17.23 PMMaxboost Atomic Air

The Maxboost Atomic air provides a fully protective hardshell case with minimum bulk to your iPhone 5. Inside the case you'll find a 2200mAh rechargeable battery that will double the battery life of your iPhone 5. The technology used within this battery allows it to be recharged over 500 times without weakening its strength.

Screen Shot 2013-06-29 at 2.38.33 PMMorphie Juice Pack Air

The Morphie Juice Pack Air is the next step up from the Morphie Juice Pack Helium (listed above) and includes the same protective casing, but includes a 1700mAh battery instead of the 1500mAh battery found in the Helium. This extra 200mAh will boost your iPhone 5's battery life a full 100% in comparison to the 80% boost the Helium is capable of.

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Rokit Boost Excess 2000

The Rokit Boost Excess 2000 gives your iPhone 5's a serious increase in battery power thanks to the 2000 mAh battery that is built into the case. The case is also designed to be ultra light (.22lbs) and ultra thin (.59in) so you won't have to worry about the inconvenience of added bulk to your iPhone 5.

Screen Shot 2013-06-29 at 3.24.55 PMMorphie Juice Pack Plus

The Morphie Juice Pack Plus is the highest of the Morphie battery cases with the Helium and Air trailing just short of the Plus model. This particular case is designed to be impact-resistant and includes an integrated 2100mAh rechargeable battery designed specifically for the iPhone 5. In comparison to the Air's 100% battery increase, the Plus model provides a 120% increase in battery life. The case also is dual-injected with a shockproof band for added protection against accidental drops or falls.

Photo Credit: Ben Miller