l008com Posted August 19, 2019 Report Share Posted August 19, 2019 Is there a source for new batteries for these old machine? If not, is there potentially a place where you can get custom batteries made? I know my friends have gotten custom batteries made in the past for various things. And it wasn't prohibitively expensive. But that said, this half memory could be entirely wrong. Quote Link to post Share on other sites
maceffects Posted August 20, 2019 Report Share Posted August 20, 2019 There was a few years back but I can't find it now. I think putting new cells in the battery case is the only thing that can be done at this point, unfortunately. Quote Link to post Share on other sites
AlpineRaven Posted September 9, 2019 Report Share Posted September 9, 2019 Ive been eying on this one for a while - I am suspected its the same as 1400 pack. https://www.ebay.com.au/itm/Replacement-Battery-For-FUKUDA-CardiMax-FCP-7101/292068610746?ssPageName=STRK%3AMEBIDX%3AIT&var=591046782145&_trksid=p2060353.m1438.l2649 Cheers AP Quote Link to post Share on other sites
Trash80toHP_Mini Posted September 9, 2019 Report Share Posted September 9, 2019 Nope, here's a pic of a 1400 pack. Here's a way to do a re-cell with AAA. Rough layout, ISTR it's for a BTI clone, so the wiring is probably off for the standard components you'll need to harvest from a dead bat pack. Pics from last page of this thread: Quote Link to post Share on other sites
AlpineRaven Posted September 9, 2019 Report Share Posted September 9, 2019 (edited) Interesting what Battery is that? (edit: realised that's PowerBook Duo battery) This battery pack is from my 1400c/166 which is why I looked up that pack with that link above. Cheers AP Edited September 9, 2019 by AlpineRaven Quote Link to post Share on other sites
Trash80toHP_Mini Posted September 9, 2019 Report Share Posted September 9, 2019 (edited) OOPSIE! My bad. I was going to point out the electrical components related to charging that CardiMax battery pack in the 1400, but had to run to work. Your picture is better as there looks to be a PCB involved as well, which may make things easier of harder. I have my doubts about one dedicated battery pack being compatible with another. In Duo batteries, re-celling with higher capacity cells gains nothing in terms of maximum charge level. The electronics in the BTI Batteries for Duos allow for higher capacity cell compatibility. It's not a matter of the individual batteries, it's all about the electronics in the various packs. Now I need to bust open one of my 1400 bats to satisfy my curiosity. Edited September 9, 2019 by Trash80toHP_Mini Quote Link to post Share on other sites
klode82 Posted June 7, 2020 Report Share Posted June 7, 2020 I'm working very hard to exchange the cell inside my M4195 battery (it is equals to @AlpineRaven one). But I think I've lost my schematic to reconnect all things well. Is the schematic of @Trash80toHP_Mini equals to the original. Elsewhere, is there someone who can show me the original schematic of this battery? Quote Link to post Share on other sites
LaPorta Posted January 9 Report Share Posted January 9 I know I have started quite a flurry of activity on 2300 batteries in my other thread. My only other PowerBook is a 1400, and it looks like someone started a thread here about rebuilding these batteries. Was any progress ever made on this? Quote Link to post Share on other sites
Challenger 1983 Posted January 15 Report Share Posted January 15 I am still unsure which method I am going to use with my Duo, I still have to make a conquest post on my duo gear as I just got a 48mb module for my 2300c, If I end up replacing the NiMH cells like for like I will post the results. Quote Link to post Share on other sites
LaPorta Posted Sunday at 08:35 PM Report Share Posted Sunday at 08:35 PM I just sourced 8 4/3A batteries from a local store, and they are also going to tack-weld tabs on for me. We will see how this all plays out... Quote Link to post Share on other sites
LaPorta Posted Sunday at 09:05 PM Report Share Posted Sunday at 09:05 PM By the way, does anyone have a charger/maintainer for the 1400 batteries they'd sell? Quote Link to post Share on other sites
LaPorta Posted Monday at 08:05 AM Report Share Posted Monday at 08:05 AM Just cracked my pack. Thankfully, it looks like it just came from the factory, so the rebuild shouldn't be all that bad. Quote Link to post Share on other sites
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