Jupio Ultra C is a series of batteries manufactured by Jupio. Characteristics of the Ultra C series are 2 things: -The capacity is even higher than the original batteries -The batteries are equipped with a USB-C input. This means that you can now charge the battery directly with a USB-C to USB-A cable (included in the package) and without the need for an external charger. This will save you the cost of buying a separate charger and you will be more environmentally friendly at the same time as having greater portability. You only need to take the USB cable with you and that's it. Remember: the USB-C to USB-A cable is included in the package.