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Casio MH-10M Battery Replacement

What you need

  1. Casio MH-10M Battery Replacement, BATTERY: step 1, image 1 of 1
    • This is the calculator in question.

    • Features a black and white dot matrix screen.

  2. Casio MH-10M Battery Replacement: step 2, image 1 of 2 Casio MH-10M Battery Replacement: step 2, image 2 of 2
    • Turn the calculator over.

    • Locate the six screws on the rear of the device.

    • These are Philips #00 screws.

    • Keep the screws you remove in a safe place so they don't get lost.

  3. Casio MH-10M Battery Replacement: step 3, image 1 of 2 Casio MH-10M Battery Replacement: step 3, image 2 of 2
    • Once the screws are removed, carefully lift the back panel off, lifting the top end first.

    • Place the panel to one side.

    • You can now see the battery.

  4. Casio MH-10M Battery Replacement: step 4, image 1 of 1
    • Remove the battery

    • Lift it up from the right hand side to avoid damaging the spring.

    • You may find this easier to do by prying it out with the screwdriver.

  5. Casio MH-10M Battery Replacement: step 5, image 1 of 2 Casio MH-10M Battery Replacement: step 5, image 2 of 2
    • Now you can insert the new battery

    • Ensure you place it in spring-first.

    • Congratulations! You have replaced the battery.

    • When reassembling, take care not to trap the red or black wires in the screws as this would sever them, making the calculator unusable.

    • Once reassembled, the calculator will be turned on. Turn it off to save battery by pressing Shift --> AC.

Conclusion

To reassemble your device, follow these instructions in reverse order, noting the two reassembly instructions in the last step.

26 other people completed this guide.

Sam

Member since: 09/23/12

959 Reputation

1 Guide authored

3 Comments

For some reason the two top screws made the calculator unstable, but removing them made it stable. Only occurred after removing the battery

Mida Galbraith - Reply

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