[NTLK] USBC Rechargeable MP2X00 Batttery

[Perley Mears]

I would be interested in a pack or two

Perley Mears
perley at mears.us


On Thu, Aug 28, 2025 at 7:22 AM Elias Basse <kd5jfe at gmail.com> wrote:

> After looking at what Matthias has done with his dock connector project it
> has inspired me to work on a new USBC integrated battery to fill my need of
> portable and charges anywhere.
>
> It is entirely possible to integrate USBC recharging, voltage regulation
> and new Lipo technology as well as powering from USBC in a 3d printed
> battery shell.
>
> I have begun revising the 3d printed battery holder already available on
> GitHub to support a USBC connector and battery.
>
> First question, is anyone beside myself interested in a project like this?
>
> Second question, how much capacity would be enough?  Considering 2200mah is
> pretty standard for my re celled NIMH packs, I am aiming for that capacity.
>
> The whole theory is that a fully charged NIMH pack sits at about 5.4v and
> there are power bank chips for USB power banks that could supply 5v or more
> consistently for days from a foil pack cell as well as voltage and amperage
> control (1.2a is the poly fuse rating I think) that I can get for 1-2
> dollars on Amazon.  This bypasses the need to power and charge from the
> Newton wall adaptor and it would think it's just an alkaline pack that is
> always charged.  Adding some over current protection is a must.
>
> Any thoughts?  Should I set up a GitHub or project page?  Or is this a
> terrible idea?
>
> Best Regards,
>
> Elias
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