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Adapting cell battery to HP 41
02-27-2019, 01:06 PM
Post: #14
RE: Adapting cell battery to HP 41
(02-27-2019 03:48 AM)Craig Bladow Wrote:  A very creative solution! I believe the card reader is the largest typical load a 41c will see.

Now if there were a 3d printed battery pack to hold these components and spring loaded battery contacts.....

I agree. Nice work here! I like that the solution doesn't require hacking up the calculator itself and is completely drop-in/drop-out reversible. Hopefully that cell phone battery is a fairly common one that will not become unobtanium in 5 years.

Good job!
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Messages In This Thread
RE: Adapting cell battery to HP 41 - cruff - 02-26-2019, 12:45 PM
RE: Adapting cell battery to HP 41 - burkhard - 02-27-2019 01:06 PM



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