SKG 8000mAh Premium Dual USB Portable Power Bank 5817 The Only Official SKG Brand Store on Amazon. Trademark Filed in the U.S. In Business Since 1997. Seller --- SKG Staff; Product --- U.S. Standard; Price --- Wholesale Outlet. For U.S. customers, this product comes with 1-Month Free Trial & 2-Year Warranty. Built-in 8000mAh Lithium Battery Cells - True capacity in a lightweight compact package for reduced weight and increased safety. Ideal for flights, road trips or just any time you're away from an outlet. Smooth Varnish Allows You to Power Up in Style - while fashion power indicator shows exact level of charge, keeping you informed of remaining capacity. Well-made accessory, feel nice and substantial in-hand. Multiple Built-in Safeguards - Protect against overvoltage, overcharging, overheating or short circuit for safe and fast charging. Charge multiple smartphones, tablets, and other portable devices at the same time through dual USB ports (5V / 2.1A and 5V / 1A). Comes in a premium quality gift box, ready for gift giving to colleagues, friends and loved ones.