Features: 1.Samsung 3000mAh 18650 Lithium Ion battery 2.Ultral-light (only 85g). LED flashlight. 3.Aluminum cover, Wear-resistant, good heat dissipation. 4.Two years warranty, buy with confidence! Specifications: Model: Y1 Color: Black, Silver, Golden, Red Capacity:3000mAh Battery:Samsung Lithium Ion Input:5V\/1A Output:5V\/1A Size: 0.87inch(2.2cm)* 0.83inch(2.2cm)*4.2inch(10.7cm) Cycle life:!#!amp!*!gt; 500times Charging effiency:!#!amp!*!gt;80% Charging time: about 5hours to be full (with AC power adapter) Operating temperature: -10\u2103~40\u2103 Can charge iPhone for 1~2 times.Samsung for about 1 time. Security Protection Design: short-circuit and over current protection; The device will automatic shutdown when short circuit or overload output happened to avoid destroy the device and accident. Small size of this power bank can be easy palm of your hand.Carry the mobile power wherever you go; charge your devices any time any where. High quality assurance: All of our products are already through more than eight hours aging test. You can charge it with any most power adapter. Fully compatible with 99% of the digital products (mobile phones, MP3, MP4, bluetooth headset, etc.) Compatible Models: Apple:iPhone 5,iPhone 4S,4,3GS\/iPod (Use your original Apple Lightning to USB cable for iPhone 5) Samsung: Galaxy S4, Galaxy SIV, Galaxy S3,Galaxy Note 2,Galaxy S2 I9100,Galaxy S I9000 Galaxy Nexus \/Galaxy Note\/Focus S\/Infuse Motorola:Droid Razr,Bionic \/ Atrix 2 \/ Triumph LG:Nexus 4,Optimus 4X,2X,V,S,T,3D,7 Nokia:Lumia 920 900 710 800 Blackberry:Z10,Torch,Curve,Bold Sony Ericsson Xperia Arc S,X10\/PSP\/Nook Color\/MP3 MP4 MP5\/GoPro Many other smart phones Note:This power bank is mainly designed for low capacity mobile phones,iPad or other tablets are not recommended.Thanks for your understanding! Fully compatible with 99% of the digital products. Ideal for casual use,entertainment,party,business trip and travel,works with multiple devices. More details: