Designed for SAMSUNG Galaxy S8, Featuring sync-through technology that you can sync your Galaxy S8 to a computer without having to take the battery case off. Simultaneously charge your other device via microUSB port.
LARGE CAPACITY: 6000 mAh Li-polymer rechargeable battery,can be full charged 2.5 times for Galaxy S8. It is used A class polymer battery, you can do safe charge at anytime and anywhere.
SMART CHARGE: Charge and discharge at same time . Press the button to charge for phone first, and after full charge, it will be smarted changed to charge for backup battery. it will be automatic power down after power saturation.
The Trianium Portable Charger protects your Galaxy S8 from scratches and other daily wear and tear, yet small and convenient enough to fit easily in your hand or in your pocket.