Deluxe Ultra High Capacity 3 USB Output External Battery

By EC Technology® $38.99

With 3-modes LED Flashlight Portable Power Bank Charger. It works with the iPhone 6 Plus 5S 5C 5 4S 4, iPad Air, iPad mini, Galaxy S5 S4 S3, Note 4 3, Nexus, HTC One, Most other Phones and Tablets - Black & Red

RTÉ's Glen Mulcahy says "It does feel like you're carrying around a concrete block in your bag but, of course, that's the price you pay for power on the go."