1300mAh 3.7L12005SPA, P11P35-11-N01 Battery for Texas Instruments TI-84 Plus CE, TI-Nspire CX CAS Graphing Calculator - Walmart.com
Amazon.com: Portable Emergency AA Battery Charger Extender Suitable for The Texas Instrument TI-84 Plus CE - with Gomadic Brand TipExchange Technology : Cell Phones & Accessories