Amazon.com : Rechargeable Battery for TI-NSPIRE CX CAS, CX II CAS, CX, CX II, TI-84 Plus CE calculators : Office Products
TI-Nspire™ CX CAS Graphing Calculator | Texas Instruments
Texas Instruments Nspire CX II CAS Graphing Calculator with Rechargeable Battery
Bought brand new for $135 Battery life last forever Used but still looks brand new No charger but they are about … | Graphing calculator, Office phone, Battery life