Clear Replacement Battery Cover for Ti-84 Plus Graphing Calculators This replacement Ti-84 Plus Graphing Calculator Clear Battery Cover is compatible with the following Texas Instruments Graphing Calculator Models Ti-84 Plus Ti-84 Plus Silver Edition Ti-89 Titanium Don't tape the batteries in! Buy a replacement battery cover instead! Our replacement battery covers for the Ti-84 Plus Graphing Calculator fit perfectly and work for both the regular and EZSpot (or School Property) models. Teachers, need to order a bunch of these replacement TI-84 Plus Graphing Calculator Battery Covers for your class set of calculators? Reach out to us today for a bulk discount!