PB1 Up to 1X extra charge (Based on internal testing vs. iPhone 8. Results may vary by device & conditions). Pre-charged & ready to use. Net Contents: 1 3,350 mAh (12.2 Wh) Lithium ion power bank. 1 Micro USB cable. For Apple, Android & most USB-Powered Devices. Compliant carry-on. Duracell guarantees your satisfaction. If not completely satisfied with product, call 1-800-551-2355 (9 am - 5 pm EST). ETL listed - Intertek. www.duracell.com. www.duracell.com/en-us/product/powerbanks. For user instructions and caution, go to www.duracell.com/en-us/product/powerbanks. Recycle battery according to local, state and national regulations. Made in China.