Question about Canon EOS Elan 7 35mm SLR Camera

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LCD IS NOT WORKING WHEN CHARGEABLE BATTERIES IS PUT IN THE BP300 GRIP

LCD IS NOT WORKING WHEN 4 CHARGEABLE BATTERIES WAS PUT IN THE BP300 GRIP. BUT WHEN I USE 2 x 3V Lithium Battery (CR123A) IN THE GRIP, THE LCD IS WORKING WELL. WHAT IS THIS PROBLEM AND HOW TO SOLVE IT?

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  • Kevin Pettit
    Kevin Pettit May 11, 2010

    What is the milliamp rating on the batteries you are trying to use?

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Ni-cad or ni-mh rechargeable batteries all have charging cycle life and will fall in effeciency. in saying that, batteries used for some time will be not be as powerful as the new ones, and over or under charged batteries also wouldn't give you expected power.

i guess the CR123A you replaced is a new one, so it has the desirable voltage and current.

LCD itself and the driver actually do not require a lot of power, but the camera does, which draws away from the battery.

pc-cook

Posted on Jan 25, 2008

  • Clement Tam Jan 28, 2008

    thank you for voting. but I did not get your rating as a "guest". solution was submitted not knowing that i have not signed in, or inadvertantely swapped out from the browser. this was whay i re-sent you solution when i noticed. if you don't mind, vote for me again. thanks!



    pc-cook

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Ni-cad or ni-mh rechargeable batteries all have charging cycle life and will fall in effeciency. in saying that, batteries used for some time will be not be as powerful as the new ones, and over or under charged batteries also wouldn't give you expected power.

i guess the CR123A you replaced is a new one, so it has the desirable voltage and current.

LCD itself and the driver actually do not require a lot of power, but the camera does, which draws away from the battery.

pc-cook

Posted on Jan 25, 2008

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