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
![](https://www.vernier.com/til/wp-content/uploads/sites/2/2020/01/tinspcxii_w_case_front_hero_numeric3_hi_300ppi-533x1024.jpg)
![](https://www.vernier.com/til/wp-content/uploads/sites/2/2004/05/tinspcxii_ezspot_front_hi_300dpi.jpg)
![](https://www.vernier.com/til/wp-content/uploads/sites/2/2020/01/tinspcxii_cas_w_case_front_hero1_hi_300ppi-533x1024.jpg)
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
![](https://www.vernier.com/til/wp-content/uploads/sites/2/2019/02/product.ti-nscx._hero.001.590.332.jpg)
![](https://www.vernier.com/til/wp-content/uploads/sites/2/2004/05/nscx_ezspot_front_hi_300dpi-e1713374857333.jpg)
![](https://www.vernier.com/til/wp-content/uploads/sites/2/2019/02/product.ti-nscxcas._hero.001.590.332.jpg)
TI-Nspire and TI-Nspire CAS Touchpad
- rechargeable battery not included
- uses TI battery with wire
![](https://www.vernier.com/til/wp-content/uploads/sites/2/2019/02/product.ti-ns2._hero.001.590.332.jpg)
![](https://www.vernier.com/til/wp-content/uploads/sites/2/2004/05/TI-NS2ezspot.jpg)
![](https://www.vernier.com/til/wp-content/uploads/sites/2/2019/02/product.ti-nscas2._hero.001.590.315.jpg)
TI-Nspire and TI-Nspire CAS Clickpad
- Does not support rechargeable batteries
- AAA Batteries only
![](https://www.vernier.com/til/wp-content/uploads/sites/2/2019/02/OIP6T587LPF.jpg)
![](https://www.vernier.com/til/wp-content/uploads/sites/2/2019/02/OIPK8I56FCR.jpg)