Smartphones can do just about anything, except last all day if you're a heavy users.
That's why there's an entire industry dedicated to battery packs that will keep your gadgets going long after the internal battery dies.
We put together our favorite gadgets for you in the gallery below.The iGo Power Trip is a slim battery pack that will charge the most popular gadgets.
All you need to use the iGo is the standard USB cable that comes with your phone.
The iGo comes in six bright colors and has two capacities that will fit anyone's needs.
With the 4700 model you can charge your smartphone up to three times before you have to recharge the iGO itself. The smaller 3000 model will get you one charge.
Best of all, the iGo is smart, if it doesn't detect a device within 12 seconds it will shut off to save power.
The Mophie juice pack powerstation mini has a slender profile that can fit anywhere
The powerstation mini is packed with a 2500 mAH battery that can get your smartphone about twice the normal life.
What we really like about this device is its small profile. It can easily fit in a pocket or backpack for use whenever. The powerstation is easy to use and there are no on or off buttons, simply plug in your phone and it starts charging.
Mophie's Juicepack is compatible with the iPhone, Samsung Galaxy Phones, and even the HTC One.
Mophie has a set of juice packs that are compatible with all the most popular smartphones. The packs also double as a protective case if you're prone to drops.
They come in a range of sizes and colors that fit into anyone's lifestyle.
The myCharge Freedom battery pack is an alternative to Mophie's juicepack.
The myCharge freedom offers at 2000 mAh battery that doesn't add to the phone's height but it does double the thickness.
With this case you'll get up to 9 hours of talk time.