Anker Astro E1 5200mAh Power Bank (Black)

PowerIQ
Intelligent high-speed charging for all your devices. It does not support Qualcomm Quick Charge.

High Capacity
Charge your Apple or Android smartphone one to two times while on the move. You can even charge a Nintendo Switch once.

Incredibly Compact 
This thing is remarkably small. About the same size as a small candy bar, you simply will not find a more portable powerpack.

Superior Quality
The only premium battery cells, together with advanced materials and cutting-edge technology, to ensure complete safety.