This is the iPhone 7 Battery replacement. If your iPhone 7 battery is no longer taking a charge or is draining too quickly, there is no need to worry. This fully tested battery with original material (premium part) for the iPhone 7 will remedy the problem while increasing your talk time (up to 14 hours) back to like when you first took your Apple smartphone out of the box. Plus, it is high capacity, lightweight and low impedance.