The GP15 power bank from Silicon Power provides even more power to charge almost any smartphone up to 2-4 times. Superior materials, high quality construction make the power bank extremely durable, yet comfortable to hold due to its ergonomic shape. The GP15 is equipped with 2 USB type A ports for charging two devices at the same time. Features: 10,000 mAh capacity provides 2-4 full charging cycles for almost any smartphone 2 USB Type A outputs charge up to 2 devices simultaneously Dual input (Micro-USB and Type-C) for more convenient charging options Ergonomic and sleek design At the press of a button, the battery level is displayed via LED indicator and works as an `alarm clock` for Apple iPhone and iPad smartSHIELD: High input and output voltage protection, input and output current protection, automatic charge current adjustment, input and output short-circuit protection, device overcharge protection, battery over-discharge protection, input current regulation, static resistance and fire resistance High quality lithium polymer battery is safer, thinner and provides more efficient charging Includes 1 USB Type A->Type C cable Safe to fly Product liability insurance up to $2 million