<b>Newdery Special design Battery Case for Samsung Galaxy S9</b><br> <br> Slim Galaxy S9 charging bank offers a high capacity of 5500mAh Li-Polymer rechargeable battery which can quickly charge your device in 2 hours. <br> <br> <b>Charging & Protecting 2 in 1</b><br> The durable S9 external battery case supports fast charge your S9 and the case at the same time. <br> Protects your S9 from scratches and other daily wear and tear. <br> <br> <b>Efficient Dual Charging</b><br> This S9 charger case is equipped with Smart Dual Charge Technology, so it can charge your phone and the charging case at the same time. <br> Press and hold the charge button for 3 seconds to begin or end charging.<br> <br> <b>Charging the battery case</b><br> Connect the TYPE-C charging cable to the port at the bottom of the S9 power case. For best results, connect the cable to wall charger. <b>Smart LED Indicator</b> verify how much juice you still have<br> 0-25% - Red<br> 25-50% - Deep blue<br> 50-75% - Green<br> 75-100% - Light blue<br> <br> <b>Product Parameters</b><br> Weight: 5.2 oz<br> Input: 5V/1.8A<br> Output: 5V/1.8A<br> Capacity: 4700mAh<br> Dimensions: 6.6x3.1x0.7in <br> <br> <b>Package include:</b><br> 1 x External Samsung Galaxy S9 Battery charger case<br> 1 x Easy Installation User Manual<br>