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You've probably seen those external battery packs made for smartphones. Also known as power banks, they come with an embedded rechargeable battery and a USB port providing back-up power for our mobile gadgets. And if you do a little research, you'll discover that they come in all shapes and sizes. Here's for example a post listing some of the largest smartphone battery packs money can buy.
Now, having a large power bank on hand is great, there's no denying that. Some larger models, however, can be too bulky to carry around all the time. That's why we dug out some of the smaller external power packs on the market. Keep in mind that not all of them can charge a high-end smartphone completely. After all, a small power bank can't hold a very large battery. However, they are all portable enough to be easily stored in a pocket, backpack, or purse. Check them out in the slideshow below.
Small power banks
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HTC Double Charge Battery Bank
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The guys at Mophie are offering a high powered, 4000mAh portable battery pack. With a maximum output of 2.1A, the accessory can be used to fully charge a smartphone at least once, or to partially charge any tablet capable of sucking power from a USB port. It weighs 124 grams and it is small enough to be easily carried around.
Capacity: 4000mAh
Price: $79.95
Capacity: 4000mAh
Price: $79.95
Mophie Powerstation
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The HyperJuice Micro has a 3600mAh battery that can extend an iPad's usage time by three hours, or recharge a dead smartphone's battery completely. And it comes in 10 different colors. The accessory tips the scales at 134 grams, which makes it highly portable.
Capacity: 3600mAh
Price: $49.95
Capacity: 3600mAh
Price: $49.95
Hyper Juice Micro
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Unlike most of its alternatives, the ZAGGsparq comes with built-in prongs. In other words, you charge it by simply plugging it into a wall outlet. It has a single USB port with a maximum output of 2.1A for charging both smartphones and tablets. The 3100mAh capacity of its battery should suffice to recharge a smartphone completely.
Capacity: 3100mAh
Price: ~$95.00
Capacity: 3100mAh
Price: ~$95.00
ZAGGsparq 3100
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This power bank will easily bring any smartphone back to life. And it will look good doing it – the accessory is available in many different colors and designs. It sports a 2600mAh cell, which should be enough to provide most smartphones with plenty of extra charge.
Capacity: 2600mAh
Price: $32.00
Capacity: 2600mAh
Price: $32.00
Powerocks Magicstick
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Don't let the small size fool you. The Veho Pebble Smartstick+ can hold enough power to significantly extend the battery life of any smartphone plugged into its USB port. On the downside, it is a tad pricey for a 2800mAh power bank.
Capacity: 2800mAh
Price: $59.95
Capacity: 2800mAh
Price: $59.95
Veho Pebble Smartstick+
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Here's one of the cheaper portable battery packs around – the PNY Powerpack. It is small, good-looking, and powerful enough to revive your smartphone with its 2600mAh cell.
Capacity: 2600mAh
Price: $17.99
Capacity: 2600mAh
Price: $17.99
PNY Powerpack
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This small and lightweight portable battery pack has a capacity of 2200mAh, which should extend your smartphone's usage time by a few hours. It weighs only 63 grams and fits into any pocket. However, the 1A output of its USB port may not be enough to recharge some tablets.
Capacity: 2200mAh
Price: ~$29.99
Capacity: 2200mAh
Price: ~$29.99
Patriot Fuel+
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The Tylt Energi is a power bank with built-in prongs so its 1800mAh battery can be easily recharged from a nearby outlet. And yes, you can recharge your phone while the Energi is being charged. Another cool thing about this accessory is that it comes with a hard-wired microUSB or Lightning cable so you don't have to carry one with you. There's USB output as well providing 1A of power.
Capacity: 1800mAh
Price: $39.99
Capacity: 1800mAh
Price: $39.99
Tylt Energi
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The Fuel Micro Charger by Devotec is built to be as portable as possible. In fact, it is so tiny that it will fit on your keychain, and since it comes with an embedded microUSB port, you don't have to carry around your own USB cable. Yet its portability brings a major tradeoff – the accessory can't provide much power. Still, it should give you around 20 to 30 minutes extra talk time in case of emergency.
Capacity: 220mAh
Price: $24.95
Capacity: 220mAh
Price: $24.95
Devotec Fuel Micro Charger
Small power banks
This official accessory brought to us by HTC has a pretty large 6000mAh battery inside. Therefore, it should be able to fully charge most smartphones a couple of times through its 1A USB port, hence the name. This is definitely not the smallest power bank on the list, but it should prove compact enough to fit in a purse or a jacket's pocket.
Capacity: 6000mAh
Price: ~$69.00
Capacity: 6000mAh
Price: ~$69.00
Small power banks
1. HTC Double Charge Battery Bank
This official accessory brought to us by HTC has a pretty large 6000mAh battery inside. Therefore, it should be able to fully charge most smartphones a couple of times through its 1A USB port, hence the name. This is definitely not the smallest power bank on the list, but it should prove compact enough to fit in a purse or a jacket's pocket.
Capacity: 6000mAh
Price: ~$69.00
Capacity: 6000mAh
Price: ~$69.00
2. Mophie Powerstation
The guys at Mophie are offering a high powered, 4000mAh portable battery pack. With a maximum output of 2.1A, the accessory can be used to fully charge a smartphone at least once, or to partially charge any tablet capable of sucking power from a USB port. It weighs 124 grams and it is small enough to be easily carried around.
Capacity: 4000mAh
Price: $79.95
Capacity: 4000mAh
Price: $79.95
3. Hyper Juice Micro
The HyperJuice Micro has a 3600mAh battery that can extend an iPad's usage time by three hours, or recharge a dead smartphone's battery completely. And it comes in 10 different colors. The accessory tips the scales at 134 grams, which makes it highly portable.
Capacity: 3600mAh
Price: $49.95
Capacity: 3600mAh
Price: $49.95
4. ZAGGsparq 3100
Unlike most of its alternatives, the ZAGGsparq comes with built-in prongs. In other words, you charge it by simply plugging it into a wall outlet. It has a single USB port with a maximum output of 2.1A for charging both smartphones and tablets. The 3100mAh capacity of its battery should suffice to recharge a smartphone completely.
Capacity: 3100mAh
Price: ~$95.00
Capacity: 3100mAh
Price: ~$95.00
5. Powerocks Magicstick
This power bank will easily bring any smartphone back to life. And it will look good doing it – the accessory is available in many different colors and designs. It sports a 2600mAh cell, which should be enough to provide most smartphones with plenty of extra charge.
Capacity: 2600mAh
Price: $32.00
Capacity: 2600mAh
Price: $32.00
6. Veho Pebble Smartstick+
Don't let the small size fool you. The Veho Pebble Smartstick+ can hold enough power to significantly extend the battery life of any smartphone plugged into its USB port. On the downside, it is a tad pricey for a 2800mAh power bank.
Capacity: 2800mAh
Price: $59.95
Capacity: 2800mAh
Price: $59.95
7. PNY Powerpack
Here's one of the cheaper portable battery packs around – the PNY Powerpack. It is small, good-looking, and powerful enough to revive your smartphone with its 2600mAh cell.
Capacity: 2600mAh
Price: $17.99
Capacity: 2600mAh
Price: $17.99
8. Patriot Fuel+
This small and lightweight portable battery pack has a capacity of 2200mAh, which should extend your smartphone's usage time by a few hours. It weighs only 63 grams and fits into any pocket. However, the 1A output of its USB port may not be enough to recharge some tablets.
Capacity: 2200mAh
Price: ~$29.99
Capacity: 2200mAh
Price: ~$29.99
9. Tylt Energi
The Tylt Energi is a power bank with built-in prongs so its 1800mAh battery can be easily recharged from a nearby outlet. And yes, you can recharge your phone while the Energi is being charged. Another cool thing about this accessory is that it comes with a hard-wired microUSB or Lightning cable so you don't have to carry one with you. There's USB output as well providing 1A of power.
Capacity: 1800mAh
Price: $39.99
Capacity: 1800mAh
Price: $39.99
10. Devotec Fuel Micro Charger
The Fuel Micro Charger by Devotec is built to be as portable as possible. In fact, it is so tiny that it will fit on your keychain, and since it comes with an embedded microUSB port, you don't have to carry around your own USB cable. Yet its portability brings a major tradeoff – the accessory can't provide much power. Still, it should give you around 20 to 30 minutes extra talk time in case of emergency.
Capacity: 220mAh
Price: $24.95
Capacity: 220mAh
Price: $24.95
Capacity: 6000mAh
Price: ~$69.00