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cameras, "dead" batteries, and blinkies

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cameras, "dead" batteries, and blinkies

Old 07-28-05, 06:56 PM
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cameras, "dead" batteries, and blinkies

i got this digital camera. takes two AA batteries. it goes through em like they're made of beans. I was throwing them out, but that go to me. So I figured, well, if there's not enough money in them to run a camera, what about enough to run my blinkies? Works prety good. try that next time you're camera goes dead.
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Old 07-28-05, 07:46 PM
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As a side note, if you remove your AA batteries when you're not using your digital camera, they will last a lot longer. I learned this the hard way, after spending quite a bit of cash on purchasing new batteries for my first digital camera. Taking the batteries out of the camera can extend your battery life at least threefold.

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Old 07-28-05, 07:47 PM
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You can also stick half-dead alkaline batteries your remote control for the TV.

Seriously, run down to Target or Tropical ParadiseMart or whatever you have down there, and drop $15-20 on a set of NiMH batteries and a charger. They actually store more energy than regular alkaline batteries like Duracell, and they can supposedly charge 50-100 before they start to wear out. The only disadvantages are they aren't good for long shelf life applications like flashlights, and the voltage dropoff occurs really suddenly at the end of a charge, so the low battery indicator usually comes on with only enough juice for 3-4 pictures.
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Old 07-28-05, 09:03 PM
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What iamlucky13 said.

Recharegeable NIMH's. I still don't understand why anyone buys alkaline one-uses anymore. They are expensive, environmentally unfriendly and just plain wasteful.

The advantage of good nimhs is that the power output curve remains steady all the way until it runs out of juice, then it drops off like crazy. That's actually good. Only crappy batteries will last long once they go dim.
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Old 07-28-05, 09:50 PM
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Get the 2300 mAH or better batteries and they should last for a while. They do for me.
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Old 07-28-05, 09:55 PM
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I saw some AA Energizer 15 minute rechargeables that were 2500mAh. That's some serious juice!
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Old 07-28-05, 10:08 PM
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Be wary of those quick chargers, there's some controversy around it right now.
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Old 07-28-05, 10:10 PM
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Nimh's go up to 2700mah's, approaching the capacity of a 2900mah alkaline.
I would never use alkalines in a digital camera, the batteries chemically and physically simply can not supply that much current at once and the voltage drops to the point where it turns off.
Nimh's can handle that kind of loading. Either that or use lithium AA's (insanely expensive).
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Old 07-28-05, 10:15 PM
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I go through the recycled AA batteries from the digital cameras where I work, before they are picked up by the recycling company. I test them with a volt meter set on DC three volts that I keep in my office, and keep any of them that test out at about 1.2 volts or better, that's about 80% of full charge. That's usually more than half of them and they last forever in LED bicycle lights. You'd be surprised how many actually test out at 1.4 volts or more, that's almost full charge! In about four months time, I've accumulated enough batteries to last almost forever. I also give them out to other cyclists at Critical Mass and other bikey events.
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Old 07-29-05, 04:22 AM
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I use the NiMH re-chargeables in my camera and in my blinky lights. I've been using them in my camera for the past two years without incident. They last about five times longer than regular batteries. I used to be able to get about 30 pictures per set of batteries, now I can go well over 100. I've yet to run out of "go" in my blinky lights. They're supposed to run for 200 hours on a normal battery, so I expect they'll run for ages off the rechargeable.
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Old 07-29-05, 10:14 AM
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you need the high end alkalines if your going to use them in a camera. but don't be using those cells in your blinky the voltage has dropped enough that it iwll never be that bright. blinkies really work best with lithium cells as they hold theri voltage longer so the light will be brighter longer.
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Old 07-29-05, 12:45 PM
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Originally Posted by iamlucky13
You can also stick half-dead alkaline batteries your remote control for the TV.
Or the clock. I have two quartz clocks and all the near dead battries always ends up in them.

24 pc. Nimh batteries for $29.95.
They even come with cases to make carrying the spare easier.

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Old 07-29-05, 07:44 PM
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This battery FAQ has a lot of interesting info about how NiMH batteries compare to others. They're not indisputably superior, but they do have a lot of advantages that make them perfect for portable electronics.
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Old 07-29-05, 11:20 PM
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Why buy rechargable, when you can get recycled bats for free?
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