Introducing our latest product - the Portable Power Bank 4000mAh with Built-in Lightning & Micro USB Cables Charger. This incredibly handy and versatile device provides the ultimate convenience for on-the-go charging. No need to carry around multiple cables or adapters, our power bank has everything you need with its built-in lightning and micro USB cables. With a large capacity of 4000mAh, you can charge most devices up to two or three times before needing a recharge. And best of all, we are a factory, meaning you can be assured of top-quality manufacturing and competitive pricing. Don't be caught out with a flat battery - grab yourself a Portable Power Bank 4000mAh today!