The Custom Li-Ion Turbo Levo Battery has a 504Wh capacity and works with all Turbo Levo models. The battery also includes an ANT+/ Bluetooth module that enables the bike to work with the Specialized Mission Control App or any other ANT+ device. Lastly, it has a rock guard and all of the hardware required for installation. - Battery features a 504Wh capacity - Works for all Turbo Levo models - ANT+/Bluetooth module works with Specialized's Mission Control App and any other ANT+ device - Includes rock guard and all hardware