TI-Nspire Rechargeable Battery. Compatible handhelds (TI-Nspire CX Part#): N3/TBL/1L1/A N3/TBL/1L1/B N3/TBL/1L1/B1 N3/TBL/1L1/C N3/TBL/1L1/D N3/TBL/1L1/D N3/TBL/1L1/E N3/TBL/1L1/G N3/TBL/2L1/A N3/TBL/2L1/B N3/TBL/2L1/B N3/CBX/2L1/A N3/CBX/2L1/B N3/CBX/2L1/B1 N3/CBX/2L1/C N3/CBX/2L1/D N3/TPK/2L1/A N3/TPK/2L1/A1 N3/TPK/2L1/A2 N3/TPK/2L1/A3 N3/TPK/2L1/B N3/TPK/2L1/C N3CAS/TBL/2L1/A N3CAS/TBL/2L1/A1 N3CAS/TBL/2L1/B N3CAS/TBL/2L1/C N3CAS/CBX/2L1/A N3CAS/CBX/2L1/B N3CAS/CBX/2L1/B1 N3CAS/CBX/2L1/C N3CAS/CBX/2L1/D N3CAS/TPK/2L1/A N3CAS/TPK/2L1/A1 N3CAS/TPK/2L1/A2 N3CAS/TPK/2L1/B N3CAS/TPK/2L1/C Also compatible with: TI-Nspire with Touchpad handhelds TI-Nspire CAS with Touchpad handhelds TI-84 Plus C Silver Edition calculators