[NTLK] USBC Rechargeable MP2X00 Batttery

[Steve Luzynski]

AA batteries are 14500 size and those exist in a variety of chemistries and manufacturers, if you want to stick with a cased battery rather than the spicy pillows.

I would be interested as well - my biggest stumbling blocks in using my MP more are the terrible aged screen, and the rate at which it gobbles batteries. This would at least fix half the issues.
On Aug 28 2025, at 11:56 am, Craig Goodwin <cmgoodwin1 at gmail.com> wrote:
> I’m feeling daft that I have a 3D printer and this never occurred to me. I’d like to get the stl files and make one as a little project if they are shared. If a bulk run helped lower costs a bit for folks, either parts or built I’d buy one also.
>
> One thing I’d say, and maybe this is just my experience. Every one of those foil pillow batteries I’ve ever had swell at some point. I’d be worried about it in my newt especially as they go unused for a long duration sometimes and I may forget to remove them.
> I think 18650’s are too much bigger than a AA to fit, but is there any other “solid case” battery that won’t expand if “abused” by being left idle too long? Or are the pillows small enough that they could have a large amount of swelling room in the case without impacting the 3D print?
> As awkward as it’d be, that’s almost got me thinking about an external pack that connects to a dummy battery tray, but then would you just have a step up converter on the pack and connect it to the power barrel jack socket with a right angle connector?
> Craig
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