It has one fast-charge USB port and two USB ports. Input is by USB Type-C or Micro USB, which can be used in tandem from your wall charger for extra fast recharging.
Dimensions are 6.9 x 3.5 x 0.9 inches.
At 1.28 pounds, the Aukey 30,000 is chunky in the hand. It has Qualcomm's Quick Charge 3.0 and adaptive charging technology with micro USB, a Lightening port, and two USB ports.
It can charge your iPhone 7 device up to 10 times. It has a torch, too, for those just-in-case moments.
Dimensions are 5.9 x 3.3 x 1.1 inches.
The Poweradd Pilot weighs 1.5 pounds, and it has two input charging ports and three USB ports. It is hard to handle with one hand due to its size.
Its dimensions are a massive 7.8 x 5.6 x 1.3 inches.
The iMuto X6 Pro weighs 1.5 pounds and feels nice in my hand. It has smooth, rounded corners and a digital display.
It has Qualcomm's Quick Charge 3.0, a USB Type-C input or output port, and two USB ports. It is smaller overall than the Poweradd for the same weight.
Dimensions are 6.7 x 3.4 x 1.2 inches.
The GGX Energy packs a lot into its case. It weights 1.84 pounds and comes with a bag, several connectors, and a conversion cable.
The downside is it has one USB 5V output port, which is a pain for those of us who need to charge multiple devices simultaneously. It also uses DC at 12V, 16V, 30V, or 24V to charge your laptop.
Dimensions are 7.6 x 4.7 x 1.1 inches.
The Crave PowerPack weighs 2 pounds, is sleek and smooth. I love that it has four USB ports -- two at 1A and two at 2.1 A.
It also has two laptop charge ports -- one at 12V/2.5A and one at 20V/3A. And it comes with several laptop adapters to fit most laptops.
Dimensions are 8 x 6 x 2 inches.
The Iidee 50,000mAh has a rounded aluminium case and feels nice in the hand. It does feel heavy at 3.3 pounds, heavier than the 50,000mAh Crave PowerPack.
It has an adjustable output for laptops, a USB Type-C port, and two USB ports. It also has an LED charge level indicator.
Its dimensions are 7.6 x 1.1 x 5.9 inches.