EC Technology&reg; 18000mAh Ultra Slim (12mm thin) Dual-Port External Battery Aluminum Alloy Power Bank Charger for iPhone 6 6 Plus 5S 5C 5 4S 4, iPad Air, mini, Galaxy S5 S4 S3, Note 4 3, Nexus, HTC One, most other Phones and Tablets-Green Aviation Aluminum body design to ensure durability. Ultra slim size makes it easy to carry and fits easily into handle bag. Constructed with A+ Li-Polymer battery cells and build-in microchips to ensure safety use and long lifespan. 18000mAh capacity with high efficiency rate enable it to charge an iPhone 4s 10 times, a large capacity phone like Glaxy S4 5 times, or an iPad mini 3 times. 4 LED indicators reveal the battery level,Dual USB (1.0A + 2.1A) for charging 2 devices simultaneously.The light has 3 modes: bright/average/SOS. Package contents: EC Technology 18000mAh External Battery,1 Micro USB charging cable, user manual.