smknman
Newly Enlightened
Once in my "way back machine" I saw 3v lithium aa's. Now, however, I cannot find any in my local brick and mortar or online. Where can I find these figments of my feverish imagination?
AA lithium 3V
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AlexGT
Flashlight Enthusiast
I think I read a while back that the duracell CRV3 batteries had 2 3V AA in parallel inside the package, but I'm not sure.
kurni
Enlightened
Be careful with those 3V AA; they're commonly used for MBU (Memory Back Up) and designed for slow (really slow) discharge. I'm guessing that it's not suitable for LED flashlight (e.g. L1D) unless you have a really small (really dim) led. I'm no expert; I don't know what happen if you try to discharge it too quickly; I'm guessing that it won't be good.
It's usually sold online; I think the main consumers are electronic manufacturers who need long-term (e.g. 10 years) continuous power (e.g. to retain RAM).
It's usually sold online; I think the main consumers are electronic manufacturers who need long-term (e.g. 10 years) continuous power (e.g. to retain RAM).
gadget_lover
Flashaholic
The AA's pulled from a CRV3 battery are high discharge lithium batteries. I have a light that runs on one and it's quite happy pulling about .7 amps.
Daniel
Daniel
kurni
Enlightened
That's interesting; I see many rechargeable CRV3. If we can split it into 2; does that mean that we actually can get 3V AA rechargeable?
Illum
Flashaholic
gadget_lover
Flashaholic
Only the Duracell CRV3 used a pair of 3 volt lithiums in parallel. The others used 1.5 volt AA in series or custom cells of some sort. Search the CPF archives for 1/2 CRV3 for a thread on harvesting the cells.
I have no idea what's inside a rechargable CRV3. It is almost definitely not a pair of cells in parallel.
Daniel
I have no idea what's inside a rechargable CRV3. It is almost definitely not a pair of cells in parallel.
Daniel
kurni
Enlightened
Illum_the_nation said:never heard of a "3V AA" lithium used for RAM or CMOS applications...most common are 3V button cells or 3.6V batteries like this
the closes thing I can think of is 1/2 AA 3V lithiums....
You're right, they're less common. 3V AA does float around though; this is one of them. I'm guessing that it's not suitable for many LED flashlights.
Illum
Flashaholic
kurni said:
hmm....considering today's thread 3V AA batteries on Ebay
I would say... yea, they do drift around
heres the Specs for the CR6-L AAs
http://www.fdk.co.jp/cyber-e/lithium_e/bs04_e.html
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Rechargeable CRV3 batteries contain two 14430/3,7v LiON cells in parallel and a circuit to reduce the voltage and provide protection.
Primary 14500/3,0v lithium cells are available from several manufactures, like Varta, Saft, Sonnenschein and others.
They are used to backup memory modules in professional and military equipment at very low current.
There may be high current versions, like the cells used for CRV3 batteries,
but i would not trust the seller, as long as there is no official data sheet from the manufacturer provided.
Primary 14500/3,0v lithium cells are available from several manufactures, like Varta, Saft, Sonnenschein and others.
They are used to backup memory modules in professional and military equipment at very low current.
There may be high current versions, like the cells used for CRV3 batteries,
but i would not trust the seller, as long as there is no official data sheet from the manufacturer provided.
