The Romoss PEA60 60000mAh Fast Charging Power Bank is a super high capacity power bank for charging up to 4 devices with ease. It features a classic black design with an intelligent large LED display that can display three different kinds of data, current, voltage, remaining power, as well as charging statuses. Its high-quality and high capacity battery cells allow you to charge more devices than usual without having to recharge the power bank. While its 3 input and 4 output design allow for charging of more devices simultaneously.