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Thread: 40D BATTERY Qn

  1. #1

    Default 40D BATTERY Qn

    HI all,

    to those who are using 40d, or alike batteries.


    How long do you charge for a full charge? Saying the camera indicates 1/3 full battery left.
    The red light does not seem to be a good indicator.. maybe mine is faulty.

    Thank yu.
    Canon 40D, 10-22, 35, 70-200
    http://theserialhobbyist.multiply.com

  2. #2
    Senior Member dennisc's Avatar
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    Default Re: 40D BATTERY Qn

    The battery lasts really long compared to other brands! For me it's less than 30mins usually.

  3. #3
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    Default Re: 40D BATTERY Qn

    i've never notice the charge time.. haha

    since i leave it to charge overnight. lol
    EOS 6D | GH4 | LX100 | HERO4

  4. #4
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    Default Re: 40D BATTERY Qn

    Quote Originally Posted by Fragnatic View Post
    i've never notice the charge time.. haha

    since i leave it to charge overnight. lol
    Don't charge overnight la. The battery will be quite warm and lifespan will drop.

    Mine, I charge for about 1 hour-1.5hrs.

  5. #5
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    Default Re: 40D BATTERY Qn

    Quote Originally Posted by Rockyboy View Post
    Don't charge overnight la. The battery will be quite warm and lifespan will drop.

    Mine, I charge for about 1 hour-1.5hrs.
    hmmm..
    EOS 6D | GH4 | LX100 | HERO4

  6. #6
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    Default Re: 40D BATTERY Qn

    Quote Originally Posted by Fragnatic View Post
    hmmm..
    Yup...

  7. #7

    Default Re: 40D BATTERY Qn

    I am under the impression that charging terminates when the red led stays red? as opposed to the blinking in quick succession dependent on the level of charge in the battery

  8. #8
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    Default Re: 40D BATTERY Qn

    Quote Originally Posted by rikyuuu View Post
    I am under the impression that charging terminates when the red led stays red? as opposed to the blinking in quick succession dependent on the level of charge in the battery
    same. that's y i leave it on overnight.
    it shd stop charging when the red light stays red.

    unless that dosent not happen, then i'll just charge till it stays red and switch it off.
    EOS 6D | GH4 | LX100 | HERO4

  9. #9

    Default Re: 40D BATTERY Qn

    Thanks for the informative answers. I was thinking about 2 hours would be sufficient for the charge but i sometimes forget when i actually start the charger so i have to refer to the light. So continuous light = fully charged?

    thanks people
    Canon 40D, 10-22, 35, 70-200
    http://theserialhobbyist.multiply.com

  10. #10
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    Default Re: 40D BATTERY Qn

    When its full charged, the red LED will light up instead of blinking. den it will cut off the charging. I usually leave it charging overnight unless I need to charge 3 of my batteries in succession. (my M80 uses the same battery)


    When LED blinks once , its 25% charged,
    When LED blinks twice, its 50% charged,
    When LED blinks trice, its 75% charged,
    When LED is continuous ON, its 100% charged.

    Read the Manual lah.

  11. #11
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    Default Re: 40D BATTERY Qn

    hahas. i dont even used my 40d to shoot. but most probably would last long enough for half a day shoot.
    http://www.flickr.com/photos/sexalicious/
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  12. #12

    Default Re: 40D BATTERY Qn

    I also notice that it takes very short time to fully charged from 1/3 bar, say less than an hour.

  13. #13

    Default Re: 40D BATTERY Qn

    Ya sometimes it makes me wonder if I am even charging it the right way. Thank u guys.
    Canon 40D, 10-22, 35, 70-200
    http://theserialhobbyist.multiply.com

  14. #14

    Default Re: 40D BATTERY Qn

    Quote Originally Posted by sexalicious View Post
    hahas. i dont even used my 40d to shoot. but most probably would last long enough for half a day shoot.
    feel free to throw it to me if u dun want it anymore.

  15. #15

    Default Re: 40D BATTERY Qn

    If I remember correctly, I read it somewhere in the manual saying that it can be fully charged in 200 minutes.

  16. #16

    Default Re: 40D BATTERY Qn

    I remembered reading somewhere that after the light glows steadily, leave it in the charger for another hour for maximum charge. I have no idea how that works so I won't speculate. Basically, I leave it in for 30mins - 1hr after the light stops blinking, and carry spares for my spares.

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