ZILU Smart Power Basic 4400mAh Portable Charger External Battery Pack Backup Power Bank for Cellphones and Tablets - Retail Packaging - Black

-Safe Power, Longer Power-1000 Cycles and 2 Years Limited Warranty!!!ZiLu is a US Brand in AT&T Stores and other premiums US stores. Top Grade Battery Cell Plus Smart Battery Management System- 18650 Lithium Lion Battery Cells Inside-Texas Instrument Battery Management IC, nine levels of protection-Up to 93% energy conversion rate-13000mAh energy compacted into a small and durable form Humanistic Design, Use without any Hassle-2A fast charging to keep charge time short-Smart Switch(TM) technology to charge any of your mobile devices in the correct way-Compact design. Easy to hold in hand or put into bag/pocket-Flash light function suitable for camping and many other occasions-Four LED light to show the battery capacity360 Degree Guarantee-1000 charge/discharge cycles guarantee-2 Year Limited Warranty-Additional Insurance Protection Wide Compatibility-Most popular smart phones, e.g. smart phones from Apple, Google, HTC, Nokia, LG etc.-Most popular tablet, e.g. iPad, Kindle, Galaxy, Google Nexus 7 etc.