[Twiz O'meter/BigToM/ToM+] Update to firmware 2.4

  • FRZ77
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03 Okt 2026 20:54 #285732 von FRZ77
[Twiz O'meter/BigToM/ToM+] Update to firmware 2.4
I am on 2.4 now and tested the (for me) most important new feature: the "max charge once" option.

I made 2 observations:

If I touch the option on the display, the button does not change, there ist no feedback or color change.
Thus I do not know if the feature is even active. And at least the charging current does not change - I use Level 4 and it stayed that way.

If I use the webfrontend and tick the box, it DOES charge more then the configured charge limit (I waited till 95%, I guess it would charge up to 100%, but I had to go so I could not check yet), but the reduced current limit is still active.

I will check tomorrow if the button on page2 actual does something and just give no feedback but If I would have to guess right now, I'd say the "max charge once button has no function. Is that a bug or a problem with my config or do I "hold it wrong"?

(that the current limit is not ignored is not overly important to me, but using the "load to100% once" option from page2 on the screen would be nice to have.)

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  • Delvecchio
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03 Okt 2026 21:35 - 03 Okt 2026 21:36 #285740 von Delvecchio
[Twiz O'meter/BigToM/ToM+] Update to firmware 2.4

FRZ77 schrieb: I will check tomorrow if the button on page2 actual does something and just give no feedback but If I would have to guess right now, I'd say the "max charge once button has no function. Is that a bug or a problem with my config or do I "hold it wrong"?

No need to check.
I've just verified: for my fault, in the ToM screen (not ToM+ or BigToM screen) the Max Charge ONCE button isn't responsive.
I attach here the fix.... this means you'll have to update again the Fw of the screen :P ... but this should be no more a problem for you, thanks to the last two days accademy :laugh:

FRZ77 schrieb: the current limit is not ignored

This shouldn't happen, except if the themperature protection limits (you set in the webUI) had effect.

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Letzte Änderung: 03 Okt 2026 21:36 von Delvecchio.

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04 Okt 2026 02:55 - 04 Okt 2026 03:00 #285751 von FRZ77
[Twiz O'meter/BigToM/ToM+] Update to firmware 2.4
True, I am kind of a flashing old hand now. :lol:

Okay, will flash the LCD , thanks!

There are no temp limits which could have been triggered, also everything was quite cold.. But I have this information form the ToM itself, it says that I charge with 1K, althoug it should charge with 2 or 2.3 K if the charge limit is ignored. I did not measure that at the plug so far...

I wil investigate and let you know what I find.
Letzte Änderung: 04 Okt 2026 03:00 von FRZ77.

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