Introduction

This guide goes step-by-step on how to safely replace the battery on your TI-30X IIS scientific calculator.

Image 1/3: Look at the rear face of the calculator and locate the four case screws. There are two at the top and two at the bottom. Image 2/3: Look at the rear face of the calculator and locate the four case screws. There are two at the top and two at the bottom. Image 3/3: Look at the rear face of the calculator and locate the four case screws. There are two at the top and two at the bottom.
  • Ensure that your calculator is a TI-30X IIS by looking in the top right corner of the front face.

  • Look at the rear face of the calculator and locate the four case screws. There are two at the top and two at the bottom.

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Image 1/2: Be sure to save the screws in a secure place as they are small and easy to lose. They will be needed later for reassembly. Image 2/2: Be sure to save the screws in a secure place as they are small and easy to lose. They will be needed later for reassembly.
  • Use a Philips 00 screwdriver to remove the four case screws on the rear face of the calculator.

  • Be sure to save the screws in a secure place as they are small and easy to lose. They will be needed later for reassembly.

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Image 1/3: There are six clips that keep the cases together. These areas will require extra force to separate, but use caution to not fracture the plastic pieces. Image 2/3: There are six clips that keep the cases together. These areas will require extra force to separate, but use caution to not fracture the plastic pieces. Image 3/3: There are six clips that keep the cases together. These areas will require extra force to separate, but use caution to not fracture the plastic pieces.
  • With all four screws removed, use a flathead screwdriver or similar flat object to separate the front and rear casings.

  • There are six clips that keep the cases together. These areas will require extra force to separate, but use caution to not fracture the plastic pieces.

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Image 1/3: Using a pointed tool, slide the battery out of its terminal towards the near edge. Image 2/3: Once the battery is protruding from the contacts, remove it with your fingers. Image 3/3: Once the battery is protruding from the contacts, remove it with your fingers.
  • With the rear case off, the battery is exposed and accessible.

  • Using a pointed tool, slide the battery out of its terminal towards the near edge.

  • Once the battery is protruding from the contacts, remove it with your fingers.

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Image 1/1: Replace the battery with an identical one, positive terminal up and negative terminal facing down towards the circuit board.
  • Properly dispose of the old battery.

  • Replace the battery with an identical one, positive terminal up and negative terminal facing down towards the circuit board.

  • Following the previous steps in the reverse order to reassemble the calculator.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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Ryan

Member since: 03/01/2015

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