How to Replace the Battery of a TI-Nspire CX

  • Step 1 Rechargeable Battery

    • Unscrew the 2 Phillips #0 screws from the back plate of the calculator.

      • The screws do not come all the way out. Simply twist them until you are able to remove the back plate.

  • Step 2

    • Remove the back plate using the spudger or by hand.

  • Step 3

    • Carefully disconnect and remove the old battery.

      • Unhook the wire from the tab.

      • Carefully pull out the wire.

        • Grip the wire close to the top and pull away.

  • Step 4

    • Plug in the new battery.

      • Make sure to put the wire back in the same way. You should see 4 metal connections on top

  • Step 5

    • Position the new battery and tuck the wire under the tab.

  • Step 6

    • Replace the back plate and the 2 screws.