Vernier does not sell TI replacement batteries.
You can purchase replacement batteries from the TI Online Store
TI-Nspire CX II and TI-Nspire CX II CAS
- rechargeable battery included
- handheld uses TI battery w/o wire
TI-Nspire CX and TI-Nspire CX CAS
- rechargeable battery included
- 2014 and newer handheld uses TI battery w/o wire
- Pre-2014 handheld uses TI battery with wire
TI-Nspire and TI-Nspire CAS Touchpad
- rechargeable battery not included
- uses TI battery with wire
TI-Nspire and TI-Nspire CAS Clickpad
- Does not support rechargeable batteries
- AAA Batteries only
