PNY 7800mAh 1 A/2.4 A PowerPack – Portable Rechargeable Battery Charger, Silver $5 add on item @ amazon

https://www.amazon.com/gp/product…=UTF8&th=1
STAY charged: high 7800mAh capacity provides up to 5 charges for your mobile Device when you need it most!
Works with Apple iPhone, Samsung Galaxy, Nexus, HTC one, Motorola Moto, LG, Blackberry, and other Android and Windows smartphones and tablets
Sleek, aluminum design with digital Display that provides exact battery charge remaining. Integrated LED light allows the power Pack to double as a flashlight for emergency situations.
Dual universal USB Ports with 1 Amp & 2.4 Amp outputs (2.4 Amp max) charge 2 devices simultaneously. 2 Amp input re-charges the power Pack in half the time.
Micro-USB cable included for charging devices and the power Pack