With such massive capacity, in the sort of compact package, the Anker? Astro E4 is perfect for flights, road trips, or just any time you’re away from an outlet. Enough power to go around. Marooned? In transit? Put out of your mind your OEM adapter? With the Anker? Astro E4, prolong your battery life more than one times, wherever you are. Holding enough power to charge a smartphone 3-6 times (depending on your phone’s battery size), keep your gadgets going for days and still have juice left to share. Strong but never slow. Along with capacity, the Anker? Astro E4 sports two concurrent, high-speed ports. So whether you’re charging an Apple or Android device, you’ll be able to get the most out of your technology. We’ve also included connective adapters to verify compatibility with most devices. Designed around the main points. Just because the E4 packs a punch, doesn’t mean it can’t look nice. We went with a smooth, ebony finish to keep you traveling in style. Simple, unobtrusive features, such as one-touch status LEDs and a built-in flashlight, come up with the whole lot you want out of a battery without sacrificing aesthetics.