<br>Color:Black <br><b>iphone 6s Plus / 6 Plus / 7 Plus / 8 Plus Rechargeable Battery Case 5.5 inch Portable Cover is Engineered Specifically for iphone 7 Plus / 8 Plus to provide more than 150% Battery Life.</b> <br> <br><b>Pro:</b> <br>1 6s Plus / 6 Plus / 7 Plus / 8 Plus Battery Case supports 8500mAh power, equivalent to 17 hours talk time or 13 hours web browsing time. <br>2/ Only compatible with iphone 6s Plus /6 Plus /7 Plus / 8 Plus, not fit other sizes. <br>3/ Your original cable can charge the battery case and iphone at the same time. <br>4/ No excessive bulk design, ultra slim size perfectly fit your hand and pocket. <br>5/ 4 indicators to show the battery status as 25%-50%-75%-100%, press the button for 3 seconds to charge the phone. <br>6/ Allow you to sync the data from your iphone to your PC or MacBook. <br><b>Product Details:</b> <br>Capacity: 8500mAh <br>Input: DC 5V-1.5A(MAX) <br>Output: DC 5V-1.0A(MAX) <br>Compatible with: iphone 7 Plus / 8 Plus <br>Charging Time: 5 hours <br>Battery Type: Lithium-polymer battery, with CE and RoHs certification <br><b>How to Charge:</b> <br>1/ Plug-in-Play, just connect your iphone original cable to the battery case, then will charge; <br>2/ There are 4 LED lights indicators to show power capacity, each LED light means 25%; <br>3/ Remove the top cover of the phone, slide the phone into the bottom of the battery case; <br>4/ Press the back smart switch for 3 seconds to start charging the iphone, and press 3 seconds to stop.