Texas Instruments Rechargeable Battery without Wire
Texas Instruments Nspire CX II CAS Graphing Calculator Rechargeable Computer Algebra System CAS Battery Powered 2 x 7.3 x 11.8 Gray 1 Each - Office Depot
Replacement Battery for Texas Instruments TI-84 Plus CE, TI-84 CE, fits Part No 3.7L12005SPA, P11P35-11-N01, 3.7V 1300mAh - Walmart.com