Small, lightweight, and mobile - the Power Bar charging station, suitable for all Revell Control models which can be charged with a USB cable. With a capacity of about 4,000 mAh, it provides sufficient power to charge Revell Control helicopters, for instance, about 10-20 times while you are on the go. Thanks to the USB port, the Power Bar is suitable as a mobile charging station for other devices as well. The Power Bar itself can be easily recharged in any available USB port.