Features: Specifically for X01 XX1 batteries, this accessory ensures perfect compatibility and optimal performances, making it essential component for your cycling needs. Crafted from quality ABS material, this lightweight and durability accessory is easy to carry and install, providing reliable and long last power support. Suitable for both professional and amateur cyclists, this accessory enhances your riding experience with seamlessly integration. Whether you're commuting in the city or embarking on road adventure, this battery accessory delivers consistent power across various cycling environment. Enhances your cycling gear with this indispensable battery accessory, design to meet the demands of modern cyclists seeking efficiency and reliability. Specifications: Component:ABS Size:Approx.10x5cm/3.94x1.97inch Option Type:1pc Battery,1pc Battery Cover,1pc Battery Cover+1pc Battery;1pc Battery Charger; for X01 XX1; Package Includes: Package A 1pc Battery Package B 1pc Battery Cover Package C 1pc Battery Cover 1pc Battery Package D 1pc Battery Charger note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.