this post was submitted on 19 Aug 2023
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flashlight

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Sofirn IF30 with 32650 battery (programming.dev)
submitted 1 year ago* (last edited 1 year ago) by Reader9@programming.dev to c/flashlight@lemmy.world
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Edited: previously linked to https://www.sofirnlight.com/products/sofirn-if30-edc-powerful-flashlight?spm=..collection_eea4d417-4338-4a86-ba3e-1a41b66cb32b.collection_detail_1.1, replaced with an image for better Lemmy preview.

Something new from Sofirn. These larger cells (than 26800) seem to be popping up in flashlights more often now. This one lists 6500 mAh which isn't a much bigger capacity but presumably the maximum discharge must be pretty high to support 12000 lumens.

Sft-40 in the center surrounded by flood emitters. This isn’t one I’ll be picking up, maybe I’ll hold out for a 461000 cell!

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[–] altima_neo@lemmy.zip 2 points 1 year ago (2 children)

32650 waat?

[–] Reader9@programming.dev 2 points 1 year ago* (last edited 1 year ago)

I’ve also seen 32700 (MatemincoTK06) and 46950 (Lumintop Mach 4965 v2)!

[–] Reader9@programming.dev 2 points 1 year ago

Also, I just realized it’s only about 24 watts!

[–] solrize@lemmy.world 2 points 1 year ago* (last edited 1 year ago) (2 children)

By 46100 do you mean 4680, the new Tesla format?

32650 is pretty close to a D cell. I wonder what they were thinking.

[–] Reader9@programming.dev 3 points 1 year ago* (last edited 1 year ago) (2 children)

D Cell

Lumintop AD01 came out this year, no idea why but they support 1 D cell.

[–] jerv@lemmy.world 3 points 1 year ago

Given how many folks refuse to buy any 14500 light that can't take AA's, as well as how many simply don't believe that there is any way a battery smaller than a D cell can hold enough power to do anything because that was true 30+ years ago, I can see why.

[–] solrize@lemmy.world 2 points 1 year ago* (last edited 1 year ago) (1 children)

Long runtime, I guess. Maybe the circuit is recycled from a dual fuel 1AA/14500 light. Since they made the housing large enough to hold three AA's, having it accept a D as an alternative is a nice touch. Countycomm has a 1D light that looks kind of nice but costs $65 so I haven't been too interested. For non geeks though, D cells are a simple way to have quite a lot of energy on hand. It unfortunately looks like the AD01 is $70+, oh well. Wake me up if you see a light in this format at $20 or less, heh.

Countycomm version: https://countycomm.com/products/1d-flashlight-by-maratac

Added: oops this post is misplaced. It was supposed to reply to Reader9's post about the Lumintop LD01. Anyway I do like the 3AA/1D format in principle. It just misses its best audience if the light is expensive.

[–] solrize@lemmy.world 1 points 1 year ago

And just like that, Countycomm has lowered the prices of its C and D lights, to $35 and $45 respectively:

They are still pretty heavy, will end up getting powered by alkaleaks, and tbh for a light of this style I'd prefer 1 level to 2 levels, for less confusing operation.

[–] Reader9@programming.dev 1 points 1 year ago (1 children)

I did make up 461000 but there are a few variations coming out with 46mm diameter, based on the popular format you mentioned but different lengths. And the poster of this BLF thread mentioned Lumintop GT110 which uses a 46110! (110mm not 11mm).

[–] solrize@lemmy.world 2 points 1 year ago* (last edited 1 year ago) (2 children)

Interesting about these large single cells displacing multi cell lights. I guess the vendors don't trust the cell quality and/or BMS. This is all lumenitis anyway imho. By the time a light gets this large, maybe you want a night vision scope instead.

[–] jerv@lemmy.world 2 points 1 year ago (1 children)

It kind of makes sense if you look at the geometry though. Look at the wasted space in the 3*AA holder and think how many more Wh you could get if that space were filled with more anode/cathode/electrolyte.

[–] solrize@lemmy.world 2 points 1 year ago

There are some adapters that squeeze four AA's into the D cell format. This is theoretically a little too thick, but it will fit in many devices where the battery tube is not too snug.

By pure volume a D cell is around 7x an AA.

[–] Reader9@programming.dev 1 points 1 year ago

night vision scope 😆

As someone who started after 21700 became popular, I’ve never felt the need to buy a multi-cell flashlight thanks to single-cell existing for most use-cases and not wanting to have to think about ensuring all cells have the same charge or keeping them paired together. So I like this development since it means there can be more simple 1-cell lights.

But realistically I won’t be carrying a 4680 light around regularly (even Convoy m21b is a bit too large).

[–] martinf@sh.itjust.works 2 points 1 year ago (1 children)

Looks like a copy of the marauder from olight

[–] Reader9@programming.dev 2 points 1 year ago

Thanks, I didn’t realize Olight was using this size battery already. The light shape is really similar.

[–] Reader9@programming.dev 2 points 1 year ago

Aside from the unusual cell there’s also a wheel instead of a switch, and an unconventional unlock:

When unlocking, it needs to be rotated rapidly for more than 60 degrees at one time

[–] StuckInAWell@lemmy.world 2 points 1 year ago (1 children)

Just saw this come up on AE, intriguing

[–] Reader9@programming.dev 1 points 1 year ago

Same, I was surprised they had already put it on the main website as well.