The EOTech XPS/EXPS Replacement Battery Cap Kit provides a complete replacement solution for your holographic sight's battery compartment featuring an improved tether cable design to prevent cap loss in the field.Compatible with XPS and EXPS holographic sightsIncludes new tether cable for secure attachmentDirect replacement for worn or damaged battery capsPrevents battery cap loss during battery changesOEM quality construction and fitEssential replacement part for maintaining your EOTech sight's functionality and preventing costly cap loss during tactical operations or range use.