The PowerTube 400 brings city bike styling on tour and, thanks to its compact size and minimalist design, can be integrated within the eBike to ideal effect. Whether installed horizontally or vertically, the 2.9 kg lithium-ion battery offers carefree riding enjoyment. The sophisticated technology of the lithium-ion batteries that can be integrated within the frame ensures carefree riding enjoyment, while a safety catch prevents the battery from falling out even on challenging terrain. Nevertheless, the batteries can be removed with ease.