SplashNColor Battery Cover Compatible with TI SR-40 Calculator – Snap-On Replacement Lid | Secure Fit Back Door Panel | No Tools Required | Durable Compartment Cover

["EXACT FIT REPLACEMENT — Custom-designed battery compartment cover specifically made for the Texas Instruments SR-40 scientific calculator. Restores your device to full working condition with a factory-look finish that matches the original form factor.","SNAP-ON INSTALLATION — No tools, no adhesives, no modifications needed. Simply align the cover and press into place for an instant secure fit. The integrated snap mechanism locks firmly so the cover stays put during everyday use and transport.","BUILT TO LAST — Constructed from rigid, impact-resistant ABS material that withstands daily handling, backpack storage, and desk drops. Engineered for long-term durability so you get a permanent fix instead of a temporary workaround.","KEEPS BATTERIES SECURE — Holds your batteries firmly in the compartment so your calculator stays powered and ready when you need it most. No more loose batteries rattling around or falling out during exams, homework sessions, or professional work.","DESIGNED FOR PRECISION — Manufactured to tight tolerances for a flush, seamless fit against the calculator body. Clean edges and a smooth surface give your SR-40 a restored look without gaps, wobble, or raised edges."]