newdery upgraded samsung galaxy s9 battery case qi wireless charging compatible, 4700mah slim rechargeable extended charger case compatible samsung galaxy s9 (not for s9+ plus) newdery <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>