How to drain a camera battery?

Discussion in 'Off Topic Chat' started by Overread, Sep 25, 2008.

  1. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    Without clicks ;)
    Got a trip comming up and I want to fully drain my batteries and charge them up fresh before the trip since don't want them to die on me when I get there. However I don't think I will get a chance to do any serious shooting beforehand = so I need tips on draining my 400D batteries - without shooting and without destroying them of course ;)

    (of course doing it this way means they are probably near fully charged anyway ;))
     
  2. clarinetJWD

    clarinetJWD The Naked Spammer Staff Member

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    Digital? Leave the display on, or go into bulb speed and leave the sensor charged until it can do so no more!
     
  3. lostprophet

    lostprophet No longer a newbie, moving up!

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    Get a brick and tie it to the batteries and throw them in a river, oh wait thats drowning batteries
     
  4. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    you offering to bring me fresh new batteries with you then LP ;)
    cause once they are in the Thames there is no getting them back (might get a fish for lunch though if it gets too close to the contacts!)
     
  5. lostprophet

    lostprophet No longer a newbie, moving up!

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    400D..... that'll be those little 2L things hmmmm might have a few 2nd hand spare ones around at work I could bring
     
  6. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    seriously?
    :)
     
  7. Big Mike

    Big Mike I am Big, I am Mike Staff Member Supporting Member

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    I don't think these lithium batteries have a 'memory'...so you should be able to just charge them up (without draining them first) and that should be all you need to do.
     
  8. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    but won't that affect their overall lifespan - one event probably won't but repeated recharging without discharge?
     
  9. Big Mike

    Big Mike I am Big, I am Mike Staff Member Supporting Member

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    I'm not sure. I think I've read that it won't...but I think they say that about other types of rechargables and I'm pretty sure that it does (with NiMH for example).
    When I recharge my AA NiMH batteries, I almost always set the charger to drain them first, then recharge. None of my lithium battery chargers have that option, so I would assume that it's not needed.

    Either way, I use cheap off-brand batteries in my camera...so if it does shorten the life span, it's no big deal. I'd be more worried about using the camera to drain them, shortening the life of my cameras.
     
  10. kundalini

    kundalini Been spending a lot of time on here!

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    FYI

    http://www.zimbio.com/The DIY Handyman/articles/8/How Prolong Life Battery


     
  11. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    interseting!
    least it puts me at ease about recharging the batteries!
     
  12. Warren_G

    Warren_G TPF Noob!

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    Some other advice, dont pack your batteries in your luggage if you are flying. My camcorder batteries were killed totally on a flight to Mexico this year due to freezing them. One of them never came back, it would not take a charge at all. Keep them at room temp for as much of their life as you can.
     

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