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For this guide you will remove the back cover and battery cover in order to replace the battery.
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Remove the calculator's protective cover.
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Place the calculator face down.
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Using a Phillips #1 screwdriver, remove the six 6mm screws from the back of the case and place them to the side.
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Start from the notches on the top edge and use your fingers or a prying tool to carefully pry the back cover from the calculator.
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Use a Phillips #00 screwdriver to remove the two 7.5 mm screws holding the battery cover to the case.
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Use your finger to move the battery cover to the side.
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Use the flat side of a spudger to remove the battery by lifting the bottom edge.
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To reassemble your device, follow these instructions in reverse order.
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Cal Poly, Team 11-52, Amido Spring 2014 crwdns2935289:0Cal Poly, Team 11-52, Amido Spring 2014crwdne2935289:0
CPSU-AMIDO-S14S11G52
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Interesting that the cr2032 battery is not rechargeable, so is the solar panel real? Or does it bypass the battery and use the solar panel in lighted situations?
frogman896 - crwdns2934203:0crwdne2934203:0 crwdns2950251:0crwdne2950251:0
The guide should specify that the CR2032 needs to be rechargeable. They are readily available at a popular online shopping website. I was skeptical that the solar was real too, because of the frosted plastic placed over it. Based on the pictures in this teardown, and another video showing a red LED in the solar circuit, I conclude that the solar charging circuit is real.
The manual doesn't specify a rechargeable battery. It just says a CR2032 Lithium battery. Unless all such batteries are rechargeable? I guess I'll find out since I just replaced the battery in mine and it's an Energizer CR2032, but it doesn't appear to say rechargeable anywhere on the packaging or the battery itself. I guess if it kills my calculator, it had a good run....
EDIT: The original battery that I took out of the calculator doesn't say rechargeable on it either.
Marc W - crwdns2934203:0crwdne2934203:0 crwdns2950251:0crwdne2950251:0
good guide, I'd just like to add that in my case I needed to press the "Reset" button for my calculator to start up again
Greg B - crwdns2934203:0crwdne2934203:0 crwdns2950251:0crwdne2950251:0
yeah but I have done that 3 times and now my calculator is officially announced dead....
