Post Reply 
Adapting cell battery to HP 41
08-04-2020, 01:13 AM (This post was last modified: 08-04-2020 01:14 AM by Craig Bladow.)
Post: #30
RE: Adapting cell battery to HP 41
Turns out that LiFePO4 cylindrical cells (3.2 volts each) are available in the same size as an AA battery. I quickly popped out my HP-41CX battery back and two alkaline AA cells fit in to the compartment with room left over.

Try CC41!
Find all posts by this user
Quote this message in a reply
Post Reply 


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 - Craig Bladow - 08-04-2020 01:13 AM



User(s) browsing this thread: 1 Guest(s)