This new Replacement Battery compatible with the iPhone 6 and 6s is what you need to bring that dead iPhone back to life.
This battery is brand new! Each one has been tested to confirm that there are no cycles on the cell and that the capacity is 100% higher.
Voltage: 3.82 V
Milliamp Hours: 1810 mAh 2915 mAh
Type: Li-Polymer Battery