Large Capacity Power Bank With 20000mAh capacity,you don't have to worry about power dies while on-the-go.No worry about power off in Hurricane DaysUNIVERSAL COMPATIBILITY : Smart technology regardless of devices type, The power bank also has an LED display which shows you the available capacity of the power bank - thus warning you when it needs to be charged. It is universal fits for iPhone 6/ 6s plus 5s/ 5/ 4s/ 4, iPad, iPod, Samsung devices Galaxy s7/ s6/ s5/ note 5/ note 4/ Edge, HTC phones, tablet PCs, digital cameras, game consoles and MP3/MP4 players, kindle, etc.EXTREMELY THINNER & LIGHTER: Same power but lighter than other. It adopts the Polymer Battery(the safest battery type so far), 20% the size and and 30% the weight of an ordinary lithium battery. So it is half the weight of other power banks yet the same capacity. Perfect for long flights, road trips or just any time you're away from an outlet.It means that you do not have to spend your time to charge your device with the 2.1A output, deliver the fastest charge speed to you. 2A input design, use a 2.1A adapter for fastest charging time, twice as fast than 1A input.Use with grade A 18650 battery cells ensure the quality, effective and safety use. You can access to safe, efficient and high quality portable charger.