Batteries in a 430 EX

Canonb

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Regular Alkaline AA ?
Energizer Lithium AA ?
Energizer e2 Titanium AA ?
Rechargeable NiMH 2500 mAh ?

How many shots should I expect with those batteries in a 430 EX ?

Thanks
 
I can highly recommend the new hybrid NiMHs as the best investment you'll ever make for your flash unit(s).

The reason is that they hold their charge for a long time. NiMH rechargeables are going to give you faster recycle times than anything else on your list, I believe. And they may actually give you more shots on a single charge than anything too with the possible exception of the Lithium AAs which are great, but way too expensive because you only get to use them once.

I'd save those for emergency use. Put a pack of them in the camera bag to use if everything else is dead and you don't mind blowing that kind of money so you can shoot. They have a great shelf-life.

But, the new hybrid NiMHs, such as the Sanyo Eneloops, have a tremendous advantage over the standard NiMHs. And that is that they don't self-discharge anywhere near as fast. The claim is that after six months of sitting, they'll still have 80% of their charge! Normal NiMHs, for me, are totally dead in a week or so whether I use them or not.

So you must charge them up immediately before you use them. And that can be a pain. I sometimes go quite a while between uses of any given flash. And I just hate it when the batteries are dead - and they almost always were for me with normal NiMHs.

Alkaline AAs are not good. They have a fairly high internal resistance so they heat up if you shoot a lot in a short period of time and they make your flash take a lot longer to recycle between shots.

The Lithium AAs are nice, but they're outrageously expensive. As I said, use them for emergency backup.

As far as I know, the Titanium AAs are not significantly better than the standard alkalines.

And the normal NiMHs are dandy, but you've got to recharge them right before you use them to have a good charge.

So for me, the hybrid NiMHs are the real choice these days. They are truly amazing in my opinion.

Here's a thread about the hybrids:
http://forums.dpreview.com/forums/read.asp?forum=1018&message=22975952

My experience is only with the Sanyo Eneloops. And I can't say enough good about them. They are the ideal battery for an external flash in my opinion. The other brands may be equally good, but I can't vouch for them because I have not tried them myself.

Even if the stated amp-hour rating is lower, believe me, you'll get a lot more use out of them because you'll actually get to use the capacity they have instead of having it drain away before you get to use it :)

--
Jim H.
 
are the way to go.

will last easily for a number of days (even when shooting quite
aggressively using your flash).
How many shots can I expect with 1 set of batteries ?
i have both the 580ex and 420ex (so not quite the 430ex). but i can easily shoot in excess of 200 shots with my 580ex with a set of four batteries. the more pressing issue for me is to let the flash rest after 10 consecutive shots (so that i don't blow the bulb).

but i guess it all depends on shooting situations as well. eg i shoot iso400 or above indoors to recycle the batteries quicker. outdoors...lower iso but generally lower my FEC.

--------
http://www.pbase.com/antidote3
 
I strongly suggest to use SANYO eneloop batteries. They are capable of giving high current and has ultra low self discharge level. Therefore they are exceptionally good batteries.
 
The problem is that depending on how close you are to the subject, how reflective the subject is, and what ISO and aperture you're using, and whether you're using the flash only for fill or to provide all or most of the light, the amount of power that the flash emits for each exposure varies tremendously.

So if you're shooting at ISO 3200, with the subject about three feet away at f/1.4, you'll obviously get a HUGE number of flashes on a set of batteries. But if you're shooting a subject 50 feet away, at ISO 100, and f/16, then you'll run them down extremely fast.

It all comes down to the flash power required for each shot.

--
Jim H.
 
I also recommend the Sanyo Eneloop rechargeable batteries. Eneloop have very low self-discharge rate and IMO that is very important!

--
Antti P.
 
Hi guys

Now I am thinking to buy too. Do I need to buy the charger or can I use my existing one (Sony)?
Thanks.
--
Canon 40D, 17-55IS, 50 1.4, 70-200 f4IS, Sigma 30mm 1.4
 
Get a pack of Sanyo Eneloops to store in the bag in case you run out with the regular set of NiMHs. They retain up to 85% of their charge after 1 year of storage.

Get a pack of Sanyo 2500 mah or 2700 mah rechargables for use when you have a planned outting and can charge ahead of time.

You can find some really good chargers here:

http://thomasdistributing.com/

--
Regards,

Khanh M

http://www.pbase.com/khanh007
http://khanhmai.com
 

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