[Qualcomm Certified] Voxlink Quick Charge 2.0 Technology 9000mAh Portable External Battery QC2.0 Power Bank, Supports 5V 9V 12V for Samsung Galaxy S6, Edge, LG G4, Sony Xperia Z3 and others (Black) The first of the type - Certified Qualcomm Quick Charge 2.0 power bank, adopts original Qualcomm voltage control chip, unique high voltage low current charging mode, which effectively prolongs the battery life. Because of Qualcomm QC 2.0 adoption, the charging time required for power bank and your smart phones full charging are both significantly reduced. (Tested and Shown by the top reviewers) Two QC2.0 USB output ports and one QC2.0 micro-USB input port all support Qualcomm Quick Charge 2.0 technology. It does not only charge your devices up to 75% faster, also has its three iron 3000MAh lithium battery cells fully charged within 2.5 hours only. All the parameters are tested and proved. The power bank protects the inner lithium battery by the advanced MCU management charging and discharging techniques, cuts off the internal power supply automatically once fully charged. Its fully compatible with devices supporting QC 2.0. Intelligent device identification IC automatically designates the highest safe charging speed for your QC2.0 device, such as 5v/2.8A outpout. It is a perfect fit for Galaxy S6/Note 4/Edge, LG G4, Nexus 6, HTC M9/M8 and other popular smart phones. Premium quality & safety guarantee. FC, CE, RoHS certified. Safe and durable: The power bank adopts original LG high-voltage battery cells, after 500 times full charge-discharge circle use, the battery full power capacity still remains above 88%. [Ordinary battery cells only has 30%~50% remain]; Fireproof casing material and aluminum shell makes it shatterproof and long-lasting. Backward compatible with all USB charging devices. Non-QC 2.0 devices also will be safely charged at a faster speed. Compatible with all Apple devices, including iPhones, iPads, and iPods. Quality and smooth touch of the casing like no others, stylish fitting and bright color, best match for your beloved smart phone. We offer 2 years full warranty for the power banks with our logo only. Please recognize Voxlink before purchase anywhere else. We tell it as it is, quality and safety promising. Please dont hesitate to contact us if any inquiries. At your service 24/7.