I haven't used my camera for a while, so I charged my battery and once it went green I put it in my camera and it won't turn on but when I press the button to take a photo I can hear the lens moving. When I put the battery back into the charger it says it is flat. Is my camera broken or do I just need a new battery? I don't want to buy a new battery if it isn't going to work!

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    \$\begingroup\$ What is your camera? How old is it? Is this the original battery that came with the camera? \$\endgroup\$
    – mattdm
    Commented Feb 15, 2019 at 0:21
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    \$\begingroup\$ Rechargeable batteries have a limited life span. Eventually they will not take as much of a charge as they once did. Even later, they won't take enough of a charge to power whatever it is they were made for. \$\endgroup\$
    – Michael C
    Commented Feb 15, 2019 at 0:27
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    \$\begingroup\$ What do you mean when you say "It won't turn on?" The screen does not light up? (that could be due to a screen display setting.) Do any of the lights inside the optical viewfinder light up when you half press the shutter button? What happens when you press the 'Menu' button? \$\endgroup\$
    – Michael C
    Commented Feb 15, 2019 at 0:29
  • \$\begingroup\$ Can you bring it to a camera shop and ask a friendly salesperson to try a different battery in your camera? \$\endgroup\$
    – osullic
    Commented Feb 15, 2019 at 9:46
  • \$\begingroup\$ Common problem with old cameras, and even more with speedlites, that haven't been used for a while: The batteries went green indeed! :) \$\endgroup\$ Commented Feb 15, 2019 at 10:18

1 Answer 1


Very likely a battery problem. Li-ion batteries don't like to be fully discharged. You can find not-so-expensive replacement batteries (no need for Canon brand ones, but check what the users say on Amazon or such sites).

You can also try to revive the battery yourself or find someone to do it for you.

  • \$\begingroup\$ Messing with Lithium Ion batteries in such manner can turn them into a safety hazard for you and others. At the very least, read the warnings in that article about what constitutes trying too hard - and if you ignore them, clearly label the battery as experimental and potentially unsafe. \$\endgroup\$ Commented Aug 16, 2019 at 21:07

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