FAQ: Q: What kind of battery does the TI Nspire CX have? A: TI-Nspire™ CX Handhelds. The new full-color TI-Nspire™ CX and TI-Nspire CX CAS handhelds come with the TI-Nspire Rechargeable battery installed. For students, the TI-Nspire Rechargeable Battery is expected to last up to two weeks of normal use on a single charge. Q: … Read more