MAXOAK 50000mAh 6 Port(5/12/20v) Portable Charger External Battery Power Bank for Laptop & Notebook & Cell Phone & Tablet

This powerbank is the most used powerbank in the world.
50000 mAh means you can give charge to your cell phones more than 20 times.

Once this powerbank is fully charged then you can give charge to your iphone 6s and Samsung galaxy 6 more than 11 times.

It has 6 output ports by this you can give charge to your most devices. This powerbank has created a port for most popular laptops and notebooks. But you are not able to charge your Apple laptops with this powerbank.

You will get one beautiful bag with this powerbank a days one charging adapter.

I personally use this powerbank and this is awesome. I am using Samsung galaxy A3.I am able to give charge to my phone more them 15 times.

It has also 24 months money back warranty. That means if your powerbank is damaged you can easily repair it for free.
The price is also reasonable comparing with others.