Hidden Batteries for Duo, FS Pro Series & Stunner X 6

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This sleek internal battery is used in the Duo series of bikes along with other Biktrix models. A high-quality design provides reliable power and range to extend your ride! There a re 48V and 52V versions of this battery available. Note that some bikes may not show proper battery level on the display for the 48V version. Looking to get a new Hidden Battery for your XD Series bike? You will need the High Output Hidden Battery for XD Duo, XD FS Series Show more