JETech® 10400mAh Ultra Compact Dual USB Portable Battery Power Bank Power Pack USB External Battery and Portable Charger for iPhone 6/5/4, iPad, iPod, Samsung devices, smart phones, tablet PCs (Champagne Gold) (Wireless Phone Accessory)
Works perfectly, but it did not meet my expectations completely. Unfortunately, you can only recharge cell phones so (at least from my devices tested only went my cell phone, it would not completely rule out that other, non-tested equipment I work).