Yes, both the Power King and Power Queen have a USB port that can charge your mobile phone, and a 16-20V output port that can charge your laptop.
Yes, the Power Spring4 can be charged via USB port with a charging cable.
The Power Candy is compatible for Samsung and iPhones.
Power Shine, Power Rover, Power Prince, Power Queen and Power King.
Power Angel is a portable power bank with a folding stand, so you can watch videos hands-free.
They have different capacities, one being 18000mAh and the other 8000mAh, while other functionalities are basically the same.