YISHDA Samsung Galaxy Note 8 5500mAh External Backup Battery Charger Case Power Bank Powerful battery case: The powerful 5500mAh Li-polymer rechargeable battery case can effectively provide 130%+ extra battery life to your phone, which is equivalent to add 48+ hours talk time or 26+ hours web browsing time. Support Charge and Data-sync: Simultaneously charge your samsung Note 8 and battery case together with the Type-C cable. Easy to Use: Hold the sleek ON/OFF button on the Galaxy Note 8 power case to turn the case ON and OFF whenever you need the extra battery. Safety Guaranteed: We offer a 18-month Warranty to ensure maximum protection for your galaxy note 8 battery case. Package included: 1 x 5500mah Note 8 battery case + 1 x user