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Report from the field: eneloop 'AA' batteries

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Carlton

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Posted: Fri Sep 18, 2009 9:37 am

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Thanks for the report James. I was holding out on these 'cause I couldn't get a definitive answer as to how long these batteries hold a charge for.

Costco has a 4AA and 2AAA with charger kit for $18. I'm going to pick up a couple kits now.

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mike

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Posted: Fri Sep 18, 2009 10:18 am

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Well, I don't mean to be rude, but the plural of anecdote is not data. Someone actually did a fairlyextensive study. Not in a proper lab setting, but fairly well controlled tests from a consumer point of view:

http://photography-on-the.net/forum/sho ... p?t=677074

Bottom line, batteries marked with higher mAH ratings do last longer than eneloops, but you have to make sure that they are freshly charged because eneloops do hold their charge for a much longer time than the competition.

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J__

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Posted: Fri Sep 18, 2009 10:59 am

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Wow.. rage...

the enloops so far for me as well, are the best refresh and longest held charge out of all the batts I've tried

to me, the best batt by far.

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Carlton

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Posted: Fri Sep 18, 2009 11:04 am

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I'm so confused now...

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J__

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Posted: Fri Sep 18, 2009 11:08 am

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confused?

Summary so far: eneloops FTW! and James doesn't like Mike right now

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Carlton

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Posted: Fri Sep 18, 2009 11:13 am

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J__ wrote:

confused?

Summary so far: eneloops FTW! and James doesn't like Mike right now

LOL, gotta like play by play commentary.

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mike

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Posted: Fri Sep 18, 2009 11:28 am

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james wrote:

But hey, thanks for stopping by mike but your simply an idiot with your comment, why not get back to shooting for flickr... don't quit your day job!

I fail to see why personal insult is necessary.

For what it's worth, I myself own and love eneloops, but I have never made actual measurements on how well these batteries perform.

Battery life and performance (e.g. flash recharge time) are empirically verifiable and measurable, and not really a matter of opinion.

Since someone else has made these measurements, and I happened to come across them, I thought people might be interested.

If you have disagreements with the methods, measurements and conclusions of that little experiment, we can have a civil discussion, if you like. Note I am not the author of that post, nor am I related in any way to the author, so I have no vested interest in defending it.

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Kin Lau

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Posted: Fri Sep 18, 2009 12:49 pm

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As with any benchmarks, it's always good to understand what's going on and analyse the numbers to see if they apply in your situation.

Looking at a typical photographers scenario, the Eneloops performed very well in power retention and refresh times up to about 200 flash pops in the test.

The 2nd thing you need to realize, is that the 300EZ used in the tests has no manual settings. It's firing at full power _every_ time, the 5 second refresh times are a good indication here. When was the last time you fired your flash 200 times in a row at full power, or for that matter, over the period of 2 hours?

With those facts in mind, now go back and re-evaluate the test and rankings up to 200 flash pops. I think you'll see the Eneloops rank much higher.

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J__

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Posted: Fri Sep 18, 2009 3:22 pm

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james wrote:

Confucius say:

Never poke photographer who has had no sleep in seven days and tries to help others!

Can I go to work now?

I think TIFF sleep deprivation has something to do it...

"... can't we all just get along??..."

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Paul_Dunlop

Post subject: Re: Report from the field: eneloop 'AA' batteries

Posted: Mon Sep 21, 2009 3:01 pm

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james wrote:

Report from the field: eneloop 'AA' batteries and charger

Just used these on assignment with Red Carpet Diary's during TIFF over the past two weeks, I shot every day, thousands of flash triggers over the two week period, I had 12 eneloop AA in my kit and 1 charger.

Bottom line is I only had to rotate 8 batteries, 4 in the flash and four in the charger, they lasted a long time, in fact I often ended up putting in fresh ones simply because I could not believe I was still shooting with a set, anyway, can tell you that they are very strong batteries that charge pretty quickly, the charger works great with no wires, it has a flip out prong and is very light. We will see how they perform in the long haul!

Purchased at:
NICA Power Battery
5155 Spectrum Way #14
Mississauga, ON
905 624 0000

1 pack 'AA' - 4 batteries $13.50
1 charger w/ 4 "AA' batteries $21.50

To view images from the festival visit http://www.torontolife.com/ OR http://www.fashionmagazine.com/

Thanks - I have been thinking of picking some up - i will hit Costco this week and grab some

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toronto888

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Posted: Tue Sep 22, 2009 10:05 am

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Bought these from Dell when they have the monthly sales.Great batteries and much better than the Duracels.

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Paul_Dunlop

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Posted: Tue Sep 22, 2009 2:04 pm

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I went to Costco at lunch today

Picked up a package with
6xAA
2xAAA
2 C Cell converters
2 D Cell converters

$17.97 before tax

They were out of the charger package - I went to 4 other stores, without luck

I will hit that NICA store I guess

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Jamesy

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Posted: Tue Sep 22, 2009 4:50 pm

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Paul_Dunlop wrote:

Wow. Sweet deal!

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J__

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Posted: Tue Sep 22, 2009 5:32 pm

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wow thats a crazy deal

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Jamesy

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Posted: Tue Sep 22, 2009 6:15 pm

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J__ wrote:

wow thats a crazy deal

I would be down with a few sets at that price. I don't have a Costco membership though...

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J__

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Posted: Tue Sep 22, 2009 6:33 pm

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my friends with a membership are back in a few weeks from vaca and I'll see if they have it then

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Jamesy

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Posted: Tue Sep 22, 2009 6:49 pm

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J__ wrote:

my friends with a membership are back in a few weeks from vaca and I'll see if they have it then

Nice. Let me know...

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J__

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Posted: Tue Sep 22, 2009 6:53 pm

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what are the cell converters though.. converts AAs to C's or D's?

pics?

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Jamesy

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Posted: Tue Sep 22, 2009 6:57 pm

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J__ wrote:

what are the cell converters though.. converts AAs to C's or D's?

pics?

This is a link to a high end battery charger/conditioner. It has C and D step up casings - pretty cool actually.

http://www.amazon.com/Crosse-Technology ... B00077AA5Q

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Paul_Dunlop

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Posted: Tue Sep 22, 2009 9:22 pm

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J__ wrote:

what are the cell converters though.. converts AAs to C's or D's?

pics?

I'd never seen or heard of them before, but they are a C or D cell sized battery, that has a holder for an AA battery inside

Slip the AA inside, use it as a full C or D battery

pretty cool idea

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Paul_Dunlop

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Posted: Fri Sep 25, 2009 10:34 am

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Here is the $17.97 package

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