10 best powerbank 2017 choice

1.Anker PowerCore+ mini 3350mAh Lipstick-Sized Portable Charger (3rd Generation, Premium Aluminum Power Bank) One of the Most Compact External Batteries, Uses Premium Cells
2.Selectec High Capacity External Backup Battery Pack Power Bank Charger For iPhone iPad Samsung LG HTC BLU Sony Blackberry Nokia Google Nexus Motorola Surface Cell Phone Smartphone Tablet – 24000mAh
3.AXESS PP3129-RD 6600 mAh Mobile Power in Red
Portable Charger – Crave PowerPack 50000 mAh Dual USB + Dual Laptop Ports Ultra-High Density Power Bank
4.MAXOAK 50000mAh 6 Port(5/12/20v) Portable Charger External Battery Power Bank for Laptop & Notebook-Most of Sony Dell Hp Toshiba Samsung Lenovo Acer IBM NEC Mobile,Tablet(not for Apple Laptop)
5.Anker PowerCore+ 20100, USB-C/Type-C Ultra-High Capacity, Premium Portable Charger, 20100mAh External Battery, 6A Output, PowerIQ & VoltageBoost for Apple MacBook, iPhone, iPad, Samsung & more
6.[Upgraded Model] Bolt Power D28 500 Peak Amp Portable Car Battery Jump Starter with 13,600mAh External Battery Power Bank
7.Anker Astro E1 5200mAh Candy bar-Sized Ultra Compact Portable Charger (External Battery Power Bank) with High-Speed Charging PowerIQ Technology (White)
8.RAVPower 22000mAh 5.8A Output 3-Port Portable Charger Power Bank USB Battery Pack (2.4A Input, Triple iSmart 2.0 USB Ports, High-density Li-polymer Battery) For Smartphones and more- Black
9.iWalk Extreme Trio Ultra Slim Battery Pack 6000 mAh – Retail Packaging – White

10.Tronsmart Presto 10400mAh USB-C/Type-C External Battery/Portable Charger/Power Bank with Quick Charge 3.0 Technology for iPhone,Android Phones and more