Extremely powerful power bank - Charge up to 5 devices simultaneously. With a power output of up to 240W, this power bank is up to 10 times stronger than most power banks. You can easily charge two laptops with a total output of 160W quickly. Additionally, the power bank features a total of 5 charging ports, allowing you to charge your MacBook, iPhone, iPad, smartwatch, and Apple AirPods at the same time. Of course, it's not just Apple devices that can be charged quickly; all common laptops, tablets, smartphones, and other devices can also be charged with this power bank. Such power in such a small power bank is only possible thanks to modern graphene cells, which are also used in Teslas and far surpass traditional lithium-ion batteries. Pass-through charging - Charge the power bank while it charges other devices. Only one outlet available and you're on the go? With our Graphene UltiMag Pro 24,000mAh Cobalt Power Bank, you don't have to worry.