Interest collect for a new Sofirn design: tube style18650, magnetic ring control, USB-C charging, 500 lm max (AKA grandma light)

:innocent:

In for one depending on emitter options.

A minimalistic low battery indicator makes sense for this light, people are used to such indicators already and they are very helpful.
Something like a tiny led near the charging port: off when battery level is sufficient, red blinking when battery is low and charging is adviced, red when charging, green when fully charged.

I put it on the wishlist.

In..for at least 1

Just worried about parasitic drain and the 'easyness' to open and 'replace' the battery.

I am in for one please

An idea for a battery condition /charging indicator….
When the light is turned on….
Blue light constant on (Turned off after 5s) = Battery 100~85
Blue light flashes (Turned off after 5s) = Battery 85~41
Red light constant on (Turned off after 5s) = Battery 40~16
Red light flashes all the time the light is turned on = Power less than 15%

When USB is plugged in, a constant red indicates charging taking place
When USB is plugged in, a constant blue indicates charge is complete

Sub green for blue if desired

Sounds wonderful for my own lights, but is confusing without a manual. Hence the simple red/green indicator that I described above, even without manual most will have an idea what is going on.

Interested :slight_smile:

interested for the magnetic ring! please add me to the list!

So true. Have to be able to use it without a user guide. So few things are made like that these days. Have to keep it simple for grandpa. Wait a minute I am one @73.5 …… (most days I don’t think I feel that age, but I’ve never been this old before, so am not sure)

In for 2

Interested.

Interested - sounds Good.

We passed the 100, so 10% of the needed interest is met in little more than 1 day. I’m happy about that. Lots more needed but I feel that I can already show Sofirn that this light has potential. :slight_smile:

interested!!

Over on TLF there ist also a survey based on this Thread here.
It seems there is also a large demand on such a ´grandmas light´

Sofirn AKA grandma light - TLF Interessenten Abfrage | Taschenlampen Forum

At the moment there is a demand on nearly 50

Make sure it doesn’t have to require having the light turned on for the USB charging to work.
I have a couple of lights with that requirement and they’re quite confusing to new users.

In for at least 5. I’m liking the concept. I would also like another same design but for the blfers, more lumens. Haha

Yeah, at least the driver should be easy to resitor-mod into more power. :slight_smile:

Strongly agree. There seems to be an unstated but well intentioned belief as hinted in the beginning of this thread, that the more itsy-bitsy teeny-wheene the form factor and size the better. That of course is a gross oversimplification, as the above research clearly states. Furthermore it woud make our design decisions far more taxing.

Is there an unstated belief that the fictitious granny needs something unthreatening that of course resembles a girly cylindrical lip-stick?

N.B, A clean cylinder is one of the worst shapes since it will roll off any uneven surface and by Murphy’s Law straight under a heavy item of furniture. Presumably, one would then be called upon to find torch to try to locate it! Common 18650 lights typically have a pocket clip which presumably won’t be used here?

Good news:
The two positions that djozz states above are NOT irreconcilable. I propose a bone shapes light. Something not a cylinder but more along the lines of a Klarus 18650 but presumably little less tactical looking. No need for strike bezel capability!!!?

So the bone shape would include: A wider head radius -makes flexibility of led carrier MCCB design of an/all mods much easier. A purposeful tail flange to facilitate grip and prevent rolling around. Possible space for tail electronics / magnetic charge port etc.
-Whilst aiding to satisfy grip ergonomics.

Remember that the mark of good light is that it is easy to hold and operate whilst wearing thick gloves. Elderly persons often wear thick gloves sadly even indoors. They definitely will when faced with the need of sudden winter tasks outdoors such as e.g.locating a missing pet animal etc. You too will appreciate glove-friendly bone-shape when indulging in sub-zero WROL camping survival.

As indeed always for all discerning BLF users, deep and proper traditional knurling is a must for winter etc reasons and the leading picture of the thread points to this.

No-2-Ageing