41CX Battery Corrosion

[bohaiboy]

I rediscovered my old rechargeable 41CX yeah, but the rechargeable battery and the contacts are severely corroded (boo). Any suggestions on how or where to get it repaired? I live in houston and realize most likely will have to ship but need a reputable place.

And another yeah, I just found an old 41 CV that appeears in great shappe, Need to order batteries so we will see if the $4.50 fix works on this one.

Thanks in advance and great forum, just joined.

Tim in Houston

[damaltor]

Great that you fond your old devices!
The rechargeable battery can be rebuild with new cells, which is not THAT hard - i did it here, for example:
http://malte.deringenieur.net/wiederbele...ks-82120a/
If the foil contacts inside the calculator are corroded too, there are replaceable foils for that here:
http://www.clonix41.org/Maintenance/IO_B...ide_v2.pdf
Alternatively the contacts can be fixed to a working state with a bit of wire.

Welcome to the forum!

[AndiGer]

IIRC there is also a youtube video where this repair is demonstrated...
Or you look here
https://www.thecalculatorstore.com/epage...%20done%22
or here
https://www.thecalculatorstore.com/epage...s/Flex-PCB
2nd new offer but currently n.a.