68kMLA Classic Interface
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| Macintosh Plus battery housing terminal replacement | |
| Posted by: Maccollector on 2025-12-24 03:48:51 Hi, does anyone know where I can get battery housing terminals replacements ... I took off old corroded one and currently soaking them in the vinegar to remove some of the greenish corrosion | |
| Posted by: Huxley on 2026-03-23 10:09:23 Hi @Maccollector! Curious if you ever found an answer to this? I'm almost done restoring a lovely Mac Plus, but the battery housing and terminals are so badly corroded that I think it might be wiser to replace vs. restoring - the metal is nearly eaten through... | |
Posted by: Huxley on 2026-03-23 10:11:57Hi @Maccollector! Curious if you ever found an answer to this? I'm almost done restoring a lovely Mac Plus, but the battery housing and terminals are so badly corroded that I think it might be wiser to replace vs. restoring - the metal is nearly eaten through...Quick update: I did find this, which looks fantastic! I'd still love to know of any alternatives, as the import fees on anything going from EU > US are just brutal these days... | |
| Posted by: shirsch on 2026-03-23 19:51:53 Never thought about a 3d printed solution. Have Prusa, will travel. | |
| Posted by: Byrd on 2026-03-24 01:17:58 Dremel on the contacts + the 3D printed battery housings + 3 x LR44 batteries work a treat; get the spring from a pen. 
Compact Macintosh Battery Adapter by branchusThe original 128K Macintosh, Macintosh 512K, 512Ke and Macintosh Plus use a rather unusual PRAM (BIOS) battery. It's a 4.5 volt 523 (AKA EN113A or V21PX or TR133A) alkaline battery. It might look like a AA, but it's not.If you want to replace it with something of the same size and voltage, I...
www.thingiverse.com
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Posted by: Maccollector on 2026-04-04 19:19:41Hi @Maccollector! Curious if you ever found an answer to this? I'm almost done restoring a lovely Mac Plus, but the battery housing and terminals are so badly corroded that I think it might be wiser to replace vs. restoring - the metal is nearly eaten through...Been away fro while, but I ended up cleaning and restoring old battery housing. | |
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