Tt eSPORTS External Battery Pack for Universal - Retail Packaging - Black The use of a hi-grade 10,000mAh lithium polymer battery cell to support your smartphone or tablet devices. Commanding a dual charging 5V2.4A and 5V1A USB charging port, the Battle Dragon power bank has more than enough power for you to share amongst yourself and friends. Using the latest chipsets, circuit board technology and wrapped in a fireproof ABS (UL94/V-1) casing that enhances performance and reliability from overheating Compiling a 90% energy conversion efficiency rating, the Battle Dragon power bank ensures that you can stay connected for longer and more readily available when needed. 2 year warranty