This product in this review can be found here

This iPhone battery case is for 5" (bigger screen) iPhone 6 plus, 6s plus or 7 plus. If you have an iPhone 6/6s/7, please use our Nucharger QI3000. 
The Charging coil inside is located towards the lower half of the QI5000 Battery case. 

SPECIFICATIONS 
- Input Current: DC 5V/2.0A 
- Output Current: DC 5V/1.0A 
- Color: Black 
- Capacity: 5000mAh 
- Compatibility: Compatible with all Qi-enabled smart phone 
- Dimension: 141 x 70.5 x 15mm (5.55" x 2.77" x .59") 
-N.W.: 90g 

Package List : 
• 1x NuCharger QI5000mAh 
• 1x Tempered Glass Screen Protector

Note: *1: Press the LED power button on the back of the battery case to charge your iPhone. 
*2. There is a lightning charging port on the bottom of the battery case. It will charge your iPhone first by default. When your iPhone is charged to clearly 97% (charging current is lower than 200mA), it will begin to charge the battery case. If you found the lightning charging cable is plugged in loosely,please contact us for a free lightning charging cable. 
*3: It is normal that the battery case and your iPhone will get a little hot.