The Lenovo 50000mAh Portable Power Bank with Built-in Cables is a versatile portable charger designed for use with various brands such as Apple and Samsung. With a capacity to power multiple devices at once, this power bank features three ports including dual USB and USB-C for seamless connectivity. The built-in cables provide added convenience, making it easy to charge your devices on the go. This portable power bank is a reliable and efficient solution for keeping your devices powered up throughout the day.