Anker® Astro 5600mah External Battery

Technical Details
High Capacity, 5600mAh; 2-3 full charges or add 22 hours talk time to your iPhone 4S / 4G / 3GS; 1-2 charges for Samsung Galaxy S3, 200 hours + audio playback, or 200% - 300% to the battery life of most mobile phones
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
Convenient flashlight updated to prevent accidental activation: lights only after pressing the power button for 2 seconds; 4 LED indicators reveal the battery level; Input: DC 5V 1A, Astro charges via standard USB or AC adapter (not included)
Package includes: Anker External Battery / 3 connectors for most phones / 2 extension charge cable (70CM and 15CM) / 1 user manual / 1 convenient travel pouch

Product Dimensions: 3.7 x 1.7 x 0.9 inches ; 4.2 ounces
Shipping Weight: 9.6 ounces
ASIN: B005K7192G
Item model number: AK-79UN53V1-B8P56A

Popular Compatible Models:
Apple:
HTC: Samsung: Motorola: LG: Nokia: Blackberry Sony Ericsson Amazon Kindle, Kindle Fire

Astro Spec:
-- Performance for iPhones: 200%-300% battery life
-- Input: 5V / 1A
-- Output: 5V / 1A
-- Size: 3.7 x 1.7 x 0.9 inch; Weight: 4.2 ounce
-- Input charging time: 4-8h via standard USB or AC adapter (not included)
-- 18 months warranty