WOBi E13000 High Capacity 13000mAh Mobile Battery Charger for Cell Phones, Tablets, Digital Cameras, Camcorders HIGHEST QUALITY, MOST RELIABLE, MOST DURABLE PORTABLE BATTERY CHARGER available - We design our WOBi chargers to support up to 5 empty-to-full charges for smart phones or 1.5 charges for tablets on a single charge. Built to last, our chargers can be charged up 1000 times or more. COMPATIBLE WITH ALL MAJOR BRANDS - Works with any Apple iOS, Android, Nokia, Blackberry, GoPro, PSP, MP3/MP4 and all your gadgets with a USB port. DUAL HIGH SPEED USB 2.0 PORTS for fast simultaneous charging when you're on the go! ELEGANT, ULTRA SLIM DESIGN weighs just 8.8 ounces for easy storage in backpacks, purses, and other cases. 100% SATISFACTION with our industry best, 3-year, No Hassle, Free Replacement or Full Refund Guarantee. If you are not happy with your purchase for ANY reason, let us know and you will get a brand new replacement unit or your money back, whichever you prefer. That's how confident we are that you will LOVE your WOBi Battery Charger. So you can buy with confidence and risk free.