Amazon Anker PowerCore

Anker PowerCore, Compact 2-port, ultra-portable Phone Charger Power Bank with PowerIQ and VoltageBoost technology for iPhone, iPad, Samsung Galaxy

Light and Compact: A super-high 10000/13000 mAh capacity with two high speed USB ports is all contained in a portable charger smaller than a wallet.

High-Speed Charging: PowerIQ and VoltageBoost combine to deliver a max speed charge to any device (up to 3A – Qualcomm Quick Charge not supported). Input: 5V / 2A.

What You Get: Anker PowerCore Portable Charger, Micro USB cable, travel pouch, welcome guide, our worry-free 18-month warranty and friendly customer service.