Biggest portable battery packs for smartphones and tablets

1. Lenmar PowerPort

The Lenmar PowerPort offers two USB ports, which provide enough power to charge even the most power-hungry smartphones and tablets. It is slim, portable, and easy to carry around.

Capacity: 6,600mAh
Price: $79.99

2. Snugg Power Portable 8Ah

With its two USB ports, the Snugg Power Portable can charge two smartphones or tablets at the same time. Its battery is large enough to charge an iPhone completely up to 5 times.

Capacity: 8,000mAh
Price: $109.99

3. Satechi Portable Energy Station

With its large capacity and low price, the satechi Portable Energy Station is among the best portable battery chargers you will find. It has two USB ports with maximum output of 2 Amps.

Capacity: 10,000mAh
Price: $59.99

4. Just Mobile Gum Max

The Just Mobile Gum Max may be pricey, but it has a beefy cell with high power output of 2.1 amps. It holds enough power to charge an iPhone up to 6 times.

Capacity: 10,400mAh
Price: 119.95 € ($161,20)

5. TeckNet iEP390

Smartphones, tablets – this portable battery pack by TeckNet can charge them all through its single USB port. Despite its large capacity cell, it weighs only 270 grams.

Capacity: 11,000mAh
Price: £59.99 ($93)

6. Veho PEBBLE Pro-XT

This massive portable battery pack by Veho is not only capable of charging a smartphone or a tablet numerous times, but it will bring a laptop back to life as well.

Capacity: 13,200mAh
Price: $129.95

7. Hyper Juice Plug

It isn't called the Hyper Juce Plug for nothing. The accessory packs a massive battery, which can recharge an iPhone completely up to 11 times.

Capacity: 15,600mAh
Price: $159.95

8. iSound Portable Power Max

High capacity, 5 USB ports, and a built-in emergency flashlight – all of this you'll get from the iSound Portable Power Max.

Capacity: 16,000mAh
Price: $129.99

9. Mili Power King

The Mili Power King has a huge rechargeable battery, single USB port and additional outputs for other kinds of devices.

Capacity: 18,000mAh
Price: $199.95

10. POP Portable

The undisputed king of battery chargers is the POP Portable, which comes with a gigantic battery that can charge an iPad fully a couple of times. Sure, it is quite bigger than the rest, but that's okay with us considering how much juice the gizmo can hold.

Capacity: 26,000mAh
Price: $199