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Adapting cell battery to HP 41
08-04-2020, 12:47 AM
Post: #29
Craig Bladow Offline
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RE: Adapting cell battery to HP 41
That is a very nice setup you have there TW!

The 41c solution needs a dc-dc boost circuit in order to use lithium ion batteries. Hmm, a fresh set of 4 N cells starts at around 6.4 volts output, maybe two LiFePO4 cells, if they made them small enough, would do the trick for a 41c.
Try CC41!
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RE: Adapting cell battery to HP 41 - cruff - 02-26-2019, 12:45 PM
RE: Adapting cell battery to HP 41 - Craig Bladow - 08-04-2020 12:47 AM



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