Anker® Astro2 Dual USB Output 8400mAh Backup External Battery Pack Charger with built-in Flashlight

Technical Details

High Capacity, 8400mAh; 4 full charges or add 33 hours of talk time to your iPhone 4S / 4G / 3GS; 2-3 full charges for Samsung Galaxy S III, or 300% - 400% to most mobile phones' battery life
Compact, portable & stylish design; Easily fits into your bag - to provide instant power; PERFECT for long plane flights, road trips, or whenever you need to charge your mobile devices wherever you are
Samsung Grade A cells high quality Lithium-ion battery ensures reliability; 500 + recharge cycles over the life of the battery
Output: 2 x 5V USB ports for fast dual charge: 2A port / 1A port (improved from 0.6A for faster charging); LED indicators reveal the battery level; Convenient flashlight updated to prevent accidental activation: lights only after pressing the power button for 2 seconds; Input: 5V 1A, Astro2 charges via standard USB or AC adapter (not included)
Package includes: Anker External Battery / 3 connectors for most phones / 2 USB power wires (70CM and 15CM) / 1 user manual / 1 convenient travel pouch

About Anker® Astro:
Anker® Astro is a line of portable external batteries designed for our modern mobile age. High capacity power and compact designs make these batteries a reliable power companion on the go. With affordable prices and great Anker customer service, never get stranded without power again.

Thanks to our customers, Anker has 5 products listed in the top 10 of Amazon's top-rated Cell Phone Batteries category.

Astro2 Spec:
-- Performance for iPhones: 400% battery life
-- Input: 5V / 1A
-- Output: 2 USB 5V / 1A and 5V 2A (@2A total max)
-- Size: 3.7 x 2.4 x 0.8 inch; Weight: 6.5 ounce
-- Input charging time: 6-12h via standard USB or AC adapter (not included)
-- 18 months warranty