The RAVPower 13400mAh Power Bank is a pocket-sized external battery charger that can give your smartphone or tablet a much needed battery boost. Get 4 full charges for iPhone 6; 3 full charges for Samsung Galaxy S5; or 1.5 for your iPad mini. With over 500 lifetime charging cycles, the 13400mAh power bank could be used every day for a year and still be as useable as the day you bought it.
Amazon Prime eligible.