The Duux Dock and battery pack for the Whisper Flex 2 fan significantly expand the device’s range of uses by enabling cordless operation. With this accessory, you can use the fan flexibly both indoors and outdoors without having to rely on a power socket. The built-in lithium-ion battery, with a capacity of 3350 mAh and a power output of 36.18 watts, ensures reliable continuous operation, which varies depending on the selected fan speed and oscillation setting. The battery pack charges automatically as soon as it is connected to the dock, ensuring simple and intuitive use. It is easily mounted on the underside of the fan, allowing the set to be discreetly integrated. This accessory is specifically designed for the Whisper Flex 2 models and offers a flexible solution for use in places where conventional power sources are not available. Its compact design and light weight of just 250 g allow for easy installation and contribute to the device’s portability. This makes the fan a portable companion that adapts to the varying demands of everyday life.