The Powerbank from the brand T'NB is a portable charger designed to provide a reliable and efficient mobile power solution. Its black color offers a discreet and elegant design, suitable for various environments and everyday use. This device features a 20,000 mAh battery capacity, ensuring extended autonomy to recharge smartphones, tablets, and other compatible devices multiple times without needing a direct connection to the power grid. It is equipped with a combination of ports including USB-C and two USB-A ports, allowing simultaneous charging of several devices and ensuring a versatile and practical connection with the most common cables. Its 5 V output voltage is standard for most mobile devices, contributing to safe and efficient charging. Additionally, it includes the necessary power cables for immediate use, integrating perfectly into the daily routine of users who require mobility and energy autonomy. This model, without specifying a particular name, represents a solid option within the portable charger market that combines capacity, compatibility, and functional design. Its build and technical features are aimed at those who need to keep their devices active for long periods away from home or the office. In short, the black 20,000 mAh T'NB powerbank is a practical and versatile device suitable for meeting the power demands of multiple devices in any situation.