Has anybody used the RCR-V3 lithium pack in place of two AA batteries?

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BobW - 29 May 2008 19:38 GMT

I've just learned that something called a RCR-V3 (rechargeable lithium pack)
can replace the two AA batteries in certain cameras. Has anybody tried this,
and if so, what camera and how did it perform as compared with NiMH
batteries?

Here's a short blurb on the subject if you're interested:
http://www.steves-digicams.com/2003_reviews/rcrv3.html

Thanks.

Bob

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Pete D - 29 May 2008 21:27 GMT

> I've just learned that something called a RCR-V3 (rechargeable lithium
> pack) can replace the two AA batteries in certain cameras. Has anybody
[quoted text clipped - 7 lines]
>
> Bob

Just don't do it, some have a slightly higher voltage and are unregulated
and will blow up your wee beasty. Get some Sanyo Eneloop NiMh's (or similar
hybrid) instead.

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Dave Cohen - 29 May 2008 23:24 GMT

>> I've just learned that something called a RCR-V3 (rechargeable lithium
>> pack) can replace the two AA batteries in certain cameras. Has anybody
[quoted text clipped - 11 lines]
> and will blow up your wee beasty. Get some Sanyo Eneloop NiMh's (or similar
> hybrid) instead.

Let me add to Pete's response. I've had a set of 4 eneloops for what
will be 2 years come September. I've only charged them once - obviously
I'm an infrequent shooter. Apart from Pete's reasons for not doing it,
there just isn't a cost justification. No doubt the mah rating on the
Lithiums is higher - so if over 600 shots using an A95 is insufficient
get two sets of eneloops. Self discharge is a non-issue. Anyone who
wants to quibble about usability after a year without a charge is doing
just that - quibbling.
Dave Cohen

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BobW - 29 May 2008 23:41 GMT

>>> I've just learned that something called a RCR-V3 (rechargeable lithium
>>> pack) can replace the two AA batteries in certain cameras. Has anybody
[quoted text clipped - 19 lines]
> usability after a year without a charge is doing just that - quibbling.
> Dave Cohen

My main gripe against AA's is merely the inconvenience of having to keep
track of the charge of any particular battery. With a "pack", I only have to
know that it's charged or it's not. That's all.

Certainly, the open circuit voltage of a lithium is higher than that of a
pair of alkalines, and it's something to be concerned with. However, some
cameras' power supplies are made to handle the 3.7V of the lithium. It's
really a matter of if the camera manufacturer supports the CR-V3 and RCR-V3.

I hadn't heard of Eneloop. The technical paper is very interesting:

http://www.eneloop.info/fileadmin/redakteur/Articles/Teraoka_Article_EN.pdf

Thanks!
Bob

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Pete D - 30 May 2008 08:30 GMT

>>>> I've just learned that something called a RCR-V3 (rechargeable lithium
>>>> pack) can replace the two AA batteries in certain cameras. Has anybody
[quoted text clipped - 37 lines]
> Thanks!
> Bob

In my Pentax Ds I now use non rechargeable CR-V3's, as it is my second
camera it gets little use and they last for ages anyway.

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Ron Hunter - 30 May 2008 10:22 GMT

>>>> I've just learned that something called a RCR-V3 (rechargeable lithium
>>>> pack) can replace the two AA batteries in certain cameras. Has anybody
[quoted text clipped - 34 lines]
> Thanks!
> Bob

Haven't heard of Eneloop? What desert island have you been living on?
It has been a regular topic here since they came out. Well worth
reading about. HiMH the way it SHOULD have been all along.

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BobW - 30 May 2008 14:20 GMT

[snip]

>> I hadn't heard of Eneloop.

> Haven't heard of Eneloop? What desert island have you been living on?

The Isle of Lucy.

Bob

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Jeff R. - 30 May 2008 07:38 GMT

> I've just learned that something called a RCR-V3 (rechargeable lithium
> pack) can replace the two AA batteries in certain cameras. Has anybody
> tried this, and if so, what camera and how did it perform as compared with
> NiMH batteries?

I've used them exclusively with both of my Pentaxes.

Completely trouble-free, last *forever* (well, maybe a little less then
"forever"), don't self-discharge.

Absolutely brilliant.

I can't compare them with eneloops (never used them) but they are much
better than the NiMHs I use in my flash and other P&Ss.

--
Jeff R.

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