power sources for flash ( AA size elements )


posted on 13th of january, 2012

Hello!
Some time ago i try to get a small knowledge about rechargeable batteries ( because on many cases it is a far better and cheaper than alkaline and so on), and i want to share my small knowledge in this area. i reading a lots of forums and sites approx 2-3 months, and maybe that material may be a handy for some newbies.
as so:starting with "best brands" - after a researching, peoples prefer generally a "eneloop" ( better is "made in japan" cells), GP ReCyko,and duracell staycharged ( about what i can read in some sites, it is a rebranded eneloop ). but actually most of peoples in rechargeable battery forums consider a eneloop is very good.
for that of us who lives in europe, maybe that link will be useful - for me that prices is better than that, who i can found in my country stores.
http://eu.nkon.nl/
In stock photo's that rechargeable batterys can be mostly used in flash, i think ( for example, canon 580EXII use 4 x AA elements), because compact camera's, many of who can use AA elements as power source is limited useless for stock pfoto for sites with high specs.
a good, intellectual charger with LCD too is a must buy, as result with info, who i get, first number in relatively low price ( not thousands of usd) is MAHA MH-C9000, second is la crosse bc700 and its clones. actually, based on tests, batterys, when its charged on MAHA, have a longer working life ( cycles) than la-crosse, where its degrade faster.
on other hand, flashes make very serious load to accu, as so, you dont want to expect more than 60 - 100 cycles even from very good quality cells. problem is in very high current, who draw flash on charged state - close to short - circuit mode for acccu's, approx on 8 amperes. but, anyway, that is far cheaper, than traditional battery, i think. i personally purchase 4 pieces of eneloop for my 580EX, but until that i have small numbers of shots - maybe 20 - 30.
sorry for my bad english, that is not my native language, but i try continue learn this. hope, readers understand my basic things, write there.
thanks for reading.
PS i not a accu seller and not have any benefit from battery / chargers sellers :)

Comments (3)

Posted by Drago76 on January 15, 2012
yes, i a latvian in mean, a living country. my blood, as on most of us, is mix from lithuanian, latvian, german and russian as minimum...;)
about external packs : maybe, if it is for serious use. for me, even size of 580ex flash is big and relatively heavy, as so, it is cannot put in the camer´as bag due its size. for me also a DSLR is big and heavy - until now, my grab n go, and ¨take me everywhere¨ cameras is powershot A95 and even smaller A710IS, but under high quality plank in this photostock i switch to eos 350d for most cases. as so, external power packs is not for me. on other hand -AA size accu´s in nearest shops is very various quality - last 4 AA accu, who i bought in local shop, last in my A95 compact approx half year and 4 or 5 recharge cycles, after what he very fast degrade to high internal resistance, and on end i cannot take approx 3 - 5 shots on freshly charged accus..:(
as so i going to read materials about all of this, and share my founds...;)...(More)
Posted by Nikon4004 on January 14, 2012
External,power packs are the best. Cost up front is high, but I've jhad mine for 6 years and still running strong. I can get 450+ shots at full power on 1 charge.

That paid for a LOT of AA cells
Posted by Davidwatmough on January 14, 2012
Welcome to Dreamstime................ you are Latvian ? Happy new Year. David.



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Photo credits: Janis Ciemgals.
 
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