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Thread: rechargable AA batteries

  1. 13th December 2006, 08:56 PM #1
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    rechargable AA batteries

    they are for my digital camera

    the orginal sony ones are quite good however the dick smith ones never hold there charge for very long just sitting in the case they loose charge much quicker than the sony

    what brands should i consider
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  2. 13th December 2006, 09:05 PM #2
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    sanyo and sony are all i have found to be of value.

    i have tried many brands including the cheapy green ones on ebay and the sanyo and sony are the only ones to last more than a few months..

    i have given up using them in my camera, i use the blue and silver lithium units now, way less problems.
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  3. 13th December 2006, 09:17 PM #3
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    Jaycar Nickle metal hydroxide batteries my rechargable battery of choice

    http://www.jaycar.com.au/productView...=&SUBCATID=583

    those ones in particular for AA's

    Ignore your cameras low battery warning thing..

    Nominal voltage for a NiMH rechargable battery is between 1.4 and 1.2 volts where as the standard alkalines are 1.5-1.1v (from memory) so your low battery warning will come on early but should stay on longer...

    Get a decent charger for them tho the biggest problem is the batteries not getting a full charge of the cheapie chargers, or being overcharged and cooked.
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  4. 13th December 2006, 09:28 PM #4
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    my experience was the lower voltage affected the quality of the pic.

    hp945 5mp camera and a canon 3.1mp camera, had a good quality charger that got the batteries to their rated voltage. first signs were minute waves in the pics and odd pixel corruption, not visble till you zoom right in. the warmer the day the more it affected the cameras.

    have noticed the same thing on my mates olympus so it wasnt something to do with my gear, it is a quite wide spread problem...
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  5. 13th December 2006, 09:33 PM #5
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    never had that problem but then I dont take high enough resolution pics for it to be a problem...

    I have a 4mpix camera and I shoot at the same resolution I used to when i only had a 2. The main benifit being it shoots so much faster.
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  6. 13th December 2006, 09:49 PM #6
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    I have 8 Energizer 2500mAh AA batteries that I have used for over 2 years. They hold their charge well. I think that they were around $20 for 4.
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  7. 13th December 2006, 10:54 PM #7
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    Same as barryj. Works fine for me...
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  8. 14th December 2006, 07:41 AM #8
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    Quote Originally Posted by barryj
    I have 8 Energizer 2500mAh AA batteries that I have used for over 2 years. They hold their charge well. I think that they were around $20 for 4.
    Interesting as I was going to say just the opposite, I've had problems with the energisers dying, but no problems (so far) with Fuji batteries.


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  9. 14th December 2006, 08:03 AM #9
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    I have found that the newer digital cameras are so much less power hungry that I have not felt the need for rechargeable batteries - but to some extent this depends on how many pictures you take. As pointed out the rechargeable batteries are lower voltage than alkaline ones - how much of a problem this will be is camera dependent, less obvious though is that their capacity is a lot less.

    I suspect the life of rechargeable batteries may also be very dependent on the charger you use, and the charger/battery brand combination may explain why people get different results from the same batteries.
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  10. 14th December 2006, 08:10 AM #10
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    Since I got my digital camera a few years ago have had nothing but problems with rechargables, regardless of the brand name. They al clai to be perfect for certain applications but that isn't the case.
    For example last year when we travelled overseas, our first stop was rome, first day the vatican the two sets of batteries I had taken and charged up the night before, both went flat after about 40 photos, had to resort to taking lower quality photos with the digital movie camera.
    Anyway we found a post card seller nearby that was selling a card of kodak batteries(non-rechargable) plus two for free, 6 all up. 4 batteries lasted us, 5 weeks, and over 300 photos, the remaining batteries i took to the falklanda and they lasted for two weeks, Now I only buy nonrechargeable AA's on a card, usually about 10. They are much more reliable.
    Especially when you are travelling.
    Now I have 2 rechargers and one with a 12 volt adapter that is about as useful as an ashtray on a motor bike.


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