Difficulty

Easy

Steps

6

Time Required

                          10 minutes

Sections

1

  • Battery
  • 6 steps

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Introduction

The rechargeable battery may become damaged or faulty with repeated use and charging cycles. A faulty battery will store less energy or no energy at all.

Step 3 requires you to disconnect and remove the old battery. Before removing the old battery, inspect it for damage such as leaking or appearing puffy. Damaged batteries are a fire hazard. If the battery appears damaged, you must take appropriate precautions.

Before using this guide, be sure to power off the calculator completely.

What you need

Step 1

              Battery
  • Use a Phillips #0 screwdriver to loosen the captive screws on 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.

Use a Phillips #0 screwdriver to loosen the captive screws on 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.

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Step 2

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

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

Carefully disconnect and remove the old battery.

Unhook the wire from the tab.

Carefully pull out the connector.

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

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.

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

Step 6

  • Replace the back plate and the 2 screws.

Replace the back plate and the 2 screws.

Now charge your calculator and power it up. If replacing the battery does not solve your problem, it may be a problem with your charging cord or the internal sockets.

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                                                                                      7 other people completed this guide.

Author

                                      with 5 other contributors 


                    Jim Kerman

Member since: 02/24/2015

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Team

                       Cal Poly, Team 24-2, Green Winter 2015                        

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                                            4 Guides authored

G Reod - Sep 28, 2017

Reply

Hi. I own a TI Nspire CX CAS. I’ve had it for 5 years now and the battery’s been screwy for the past few years. I just ordered a new battery with good reviews from amazon. I’m worried that if I take out the battery my documents and other saved settings will be deleted. Does removing the battery delete anything? I have the modded operating system for my oldschool gameboy games, so I really don’t want to lose my games and settings, as the laptop I used years ago to put the games on there has been broken. I would really appreciate any help. Thank you.