This 5000mAh Card Holder Power bank is a patented, multi-functional accessory that seamlessly blends high-speed charging with secure storage. Crafted from a premium mix of ABS and aluminum alloy in a sleek black finish, it features a built-in card holder that fits up to 5 cards, making it an essential everyday carry for professionals and travelers alike. Capacity: 5000mAh / 18.5Wh.