Enhance the functionality of your USB Light Series with our 3D Printed Replacement Battery Cover Cap, designed for models FVL51 through FVL56. Constructed from high-strength, impact-resistant material, this durable cap ensures your USB lights are always protected and ready for use. Our replacement cap features a user-friendly notched design on the sides, allowing for easy tightening and loosening. This makes battery changes quick and hassle-free, whether you're on a job site or tackling DIY projects at home. Specifically crafted to match the original specifications, this USB light cap serves as a direct replacement, fitting seamlessly onto your USB light without the need for any additional tools or modifications. Simply use the same hardware from your original cap for a perfect fit. Please note, this listing is for the battery cover cap for light series only; the USB light tool is not included. Whether you've misplaced your original cap or need a durable spare, our replacement battery cover cap is the ideal solution to keep your USB lights operating at their best. Upgrade your Ryobi USB Light Series today with this high-quality replacement cap, and experience the convenience and reliability that professionals and DIY enthusiasts trust.