The Xiaomi Power bank,most of customers choice,more than 55,000,000 sold in the past three years.</br>Ultra-compact,14.1mm thin only,more comfortable and portable.Up to 93% conversion rate,optimized charging/discharging efficiency.</br>High-density lithium polymer batteries,high-speed two-way charging.With up to 18W fast charging, it intelligently adjusts power output to safely charge each connected device</br>Nine layers of world-class circuit chip protection,</br>CNC edges + Double anodized aluminum case,creates a stronger surface resistant to color fading, swear, daily wear, and corrosion. Ergonomically friendly and easy to hold.</br></br>Product Description</br></br><br>Product Dimensions:130 * 71 * 14.1mm<br>Product Model.: PLM02ZM <br>Battery type: Lithium polymer battery <br>Input: 5.0V=2.0A,9V/12V=18W; <br>Output : 5.1V=2.4A,9V/12V=15W Max; <br>Rated capacity: 10000mAh 3.85V ( 38.5Wh ) (TYP) <br>Charge time: 4.2 hours (18W charger, standard USB cable); <br>6.2 hours (10W charger, standard USB cable)<br>Load Detection:Auto-detects device plug-in/plug-out <br>Safety protection: Supports protection from over-voltage (input and output), over-current (input and output), short circuit, over-charge, over-discharge, and battery Positive Temperature Coefficient (PTC). <br>Package contents: Power bank,User manual,USB data cable.</br><br/>http://www.amazon.com/gp/product/B01MSULAM5