Add some serious power to your iPhone 6 or iPhone 6s with this Boostcase GEMSTONE battery phone case. This modular case ensures you can add battery exactly when you need it, letting you use it as an emergency backup, and this Boostcase GEMSTONE battery phone case's design ensures you can charge both the battery and the iPhone simultaneously.

Boostcase - GEMSTONE External Battery Case for Apple iPhone 6 and 6s - Clear

$99.99

Add some serious power to your iPhone 6 or iPhone 6s with this Boostcase GEMSTONE battery phone case. This modular case ensures you can add battery exactly when you need it, letting you use it as an emergency backup, and this Boostcase GEMSTONE battery phone case's design ensures you can charge both the battery and the iPhone simultaneously.