I am seeing no significant advancements with 2xAAA penlights - my favorite EDC format.

Monocrom

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Klarus P20 / Medical grade penlight / 5000k / Gorgeous, exceptional tint; RG0 / Nichia 219C emitter / Low - 4 lumens / Max - 230 lumens.
This is a ruggedly built penlight, able to withstand hard use. Mode memory.
Skip the P20.
I have one. Couldn't get it to work with rechargeable AAA batteries.
 

etc

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Dec 19, 2004
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If I can offer one possible alternative explanation it's because the AA cell is so much more versatile. It's not significantly larger (You can get some pretty slim 2AA lights) but packs 3 times the capacity. 700 mah vs 2000 mAh or so.

AAA is one of those cells that has no reason to exist. Same as CR2. Its better counterpart is of course CR123A.

I have nothing that runs on AAA cells. Except that's not totally true, I have a scale which uses 3xAAA which is real stupid. It's a big floor scale which could totally use AA cells.

Add the N cell to the list of what needs to be dumped in the Antarctic ocean.
 

M@elstrom

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Oct 1, 2007
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Sunraysia, Australia
You guys are bloody evil, I'd never really considered the 2 × AAA format before (due to the lower energy density of the battery type) but some of these suggested lights sure look appealing 🤣
 

defloyd77

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May 10, 2007
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If I can offer one possible alternative explanation it's because the AA cell is so much more versatile. It's not significantly larger (You can get some pretty slim 2AA lights) but packs 3 times the capacity. 700 mah vs 2000 mAh or so.

AAA is one of those cells that has no reason to exist. Same as CR2. Its better counterpart is of course CR123A.

I have nothing that runs on AAA cells. Except that's not totally true, I have a scale which uses 3xAAA which is real stupid. It's a big floor scale which could totally use AA cells.

Add the N cell to the list of what needs to be dumped in the Antarctic ocean.

AAA cells offer a much slimmer package than AA cells and the smaller size can make for a significantly easier to carry light, especially in shirt pockets. Never have I ever come across a 1AA light that I could carry as comfortably as a 1AAA light, let alone a 2AA light as comfortably as a 2AAA.

People like to make your same argument with 18650s vs AA. 21700 vs 18650. So on and so on. The next thing you know you have a 26650 penlight in your shirt pocket.
 
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Skip the P20.
I have one. Couldn't get it to work with rechargeable AAA batteries.
I suspect Monocrom may have a defective light. My Klarus P20 works perfectly with Eneloop AAA's, and it really likes lithium primary cells. It is absolutely ecstatic when I feed it the new XTAR 1.5v lithium rechargeable cells. That noted, you may have to hunt a bit to find a P20...they tend to sell out quickly.

On a related note, since our experience sample size at this point is just TWO (both being worthy members in good standing), I invite anyone else who has a Klarus P20 to chime in with their experience with NiMH cells, the intent being to help brother Kestrel determine if this light (among the several others nominated by the brethren) might be worthy of his attention.
 

JoeJoe

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Sep 15, 2023
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If I can offer one possible alternative explanation it's because the AA cell is so much more versatile. It's not significantly larger (You can get some pretty slim 2AA lights) but packs 3 times the capacity. 700 mah vs 2000 mAh or so.

AAA is one of those cells that has no reason to exist. Same as CR2. Its better counterpart is of course CR123A.

I have nothing that runs on AAA cells. Except that's not totally true, I have a scale which uses 3xAAA which is real stupid. It's a big floor scale which could totally use AA cells.

Add the N cell to the list of what needs to be dumped in the Antarctic ocean.
Agreed, go with a AA cell.
 

JoeJoe

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Sep 15, 2023
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Agreed, go with a AA cell.
And the overall answer was earlier in the thread to your question: NO, no advancements per se, have not been made. Go with an AA cell 1 or 2x. Also recommended on this thread.
 
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