The Smallest Power Bank in Its Capacity Range Big power just got 15% lighter. Travel light with the RAVPower 12000mAh dual port power bank that provides enough power for your iPhone 7 4.5 times, Galaxy S7 3 times, and iPad Mini 1.8 times. Less Downtime, More Fun High speed 2A input shortens your recharge time to within 6 hours (via a 2.4A charger), which is twice as fast as the 1A input from other devices. Smart Charging Dual iSmart USB outputs identify connected devices and provide up to 2.4A of charging current for each port. The combined 3.4A output ensures the maximum safe charging for both of your devices so that you get a full battery in the shortest time. 100% Quality Guaranteed Be safe with a UL94 V-0 shell that’s both fire and UV-resistant, safeguarding you against any possible electrical hazard or UV radiation. The same quality control as the iPhone guarantees absolute safety for you. High-density Li-polymer Battery High-density Li-polymer batteries are 20% more efficient than normal 18650 batteries in terms of weight-to-performance ratio. Our charger also comes with short circuit, overcharging, and over-discharging protection. What’s in the Box: 1 x RAVPower Ace Series 12000mAh Power Bank (RP-PB061) 2 x Micro-USB Cables 1 x Travel Pouch 1 x User GuideNote:1. If it appears that the battery pack stopped working and 2 (or more) of the LED indicators are flashing, that because this product has entered protection mode and both USB input and output are disabled. To restore functionality, disconnect all connections and wait 10 seconds, then charge the product. 2. In order to reach the best performance, we suggest you choose 5V/2A or 5V/2.4A charger as well as the original usb cable which takes about 6-8 hours to be fully recharged. Please contact us for free 2A ac charger if you need.