Education Technology

Solution 30010: Information on TI Calculators with a Rechargeable Battery

Charge duration and other information about the TI Rechargeable Battery.

  • The TI-84 Plus CE calculator can last up to one month on a single charge. Length of charge varies by usage, so if you use your graphing calculator regularly, consider recharging the battery often. Avoid waiting until it is fully discharged.
  • The TI-Nspire CX II/CX II CAS calculator can last up to one week on a single charge. Length of charge varies by usage, so if you use your graphing calculator regularly, consider recharging the battery often. Avoid waiting until it is fully discharged.
  • When properly maintained and under normal usage, TI Rechargeable batteries are expected to last about 3 years.
  • The TI Rechargeable Battery will not recharge if it is outside of the temperature range of 40 degrees to 100 degrees Fahrenheit.
  • Before attempting to recharge a calculator, it is a good idea to update it to the latest Operating System, if you have not previously done so. 
  • Note that when connected to any type of TI Docking Station, a USB Wall Adapter or a computer, the battery levels of TI calculator products do not provide real-time updates.
  • Laptop Computers can charge a TI Rechargeable Battery, but the laptop may have to be connected to a power source to do so.
    • For more information:

      - TI Rechargeable battery, please see our Lithium-Ion Battery Routine Maintenance and Care for TI Graphing Calculators page.
      - TI-Nspire Family, please see the TI-Nspire guidebooks.
      - TI-84 Plus CE calculator, please see the TI-84 Plus CE guidebook.
      - TI-84 Plus C Silver edition calculator, please see the TI-84 Plus C Silver Edition guidebook.

      If you need assistance with any of the steps listed above, please call us at 1-800-TI-CARES (1-800-842-2737) Monday-Thursday 8:00 AM - 7:00 PM and Friday 10:00 AM - 7:00 PM Central Time or fill out the TI-Cares™ Customer Assistance Form.