Galaxy S8 Battery Case, Trianium Atomic Pro s8 Charging Battery Pack for Samsung Galaxy S8 5.8-inch Phone - 4500mAh Extended Battery Fast Charger [Quick Charge Pass-Thru] Protective Case Power Pack

Product Review

mophie Juice Pack Battery Case Samsung Galaxy S8 Plus 3,300 mAh Built-In Battery Universal Wireless Charging Black

RECHARGEABLE BATTERY CASE - The 3,300 mAh Juice Pack batteries provide more than 39 hours of power, and they hold their charge for an extended period so that your phone is always ready when you need it
UNIVERSAL WIRELESS CHARGING - The Juice Pack battery case works with any wireless charging pad. It's fully compatible with Qi and other wireless systems, and no cables are needed for charging
PRIORITY+ FAST CHARGING - Connect the phone's charger and USB-C cable to the Juice Pack case to charge your Samsung smartphone. Your Galaxy S8+ will be charged first, and then the Juice Pack will recharge
SECURE MAGNETIC POSITIONING - The Juice Pack case magnetically aligns itself with any mophie Charge Force mount to hold your phone in place, as charging begins on contact. Your Galaxy S8+ will be held securely