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Canon EOS 40D Date and Time Battery Replacement

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  1. Canon EOS 40D Date and Time Battery Replacement, Battery: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Locate the battery compartment cover on the bottom of the camera below the shutter button.

  2. Canon EOS 40D Date and Time Battery Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Find the marked arrow on the battery compartment cover labeled "BATT. OPEN". Slide the lever following the arrow's direction and lift at the same time to release the latch.

  3. Canon EOS 40D Date and Time Battery Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Release the lever and allow the battery compartment cover to completely open.

    • Remove the battery.

  4. Canon EOS 40D Date and Time Battery Replacement, Date and Time Battery: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Canon EOS 40D Date and Time Battery Replacement, Date and Time Battery: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Canon EOS 40D Date and Time Battery Replacement, Date and Time Battery: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Remove the date and time battery holder by sliding it out of the slot.

  5. Canon EOS 40D Date and Time Battery Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove the date and time battery from the battery holder.

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To reassemble your device, follow these instructions in reverse order.

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Doug Kruse

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USF Tampa, Team 12-3, Blackwell Fall 2015 crwdns2935289:0USF Tampa, Team 12-3, Blackwell Fall 2015crwdne2935289:0

USFT-BLACKWELL-F15S12G3

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Thank you. This is fantastic information that is *not* in the manual. I bought an unnecessary main battery, but this resuscitated my camera on a trip.

Thanks! David D.

David Drinkwater - crwdns2934203:0crwdne2934203:0

All the other advice I found says to remove two screws, when it's really as simple as you show here. Thanks!

Stephen Spratley - crwdns2934203:0crwdne2934203:0

This was so helpful, thank you! Also if you are in a jam and do not have a CR2016, you can use a CR2032 directly without using the normal battery tray.

paniak - crwdns2934203:0crwdne2934203:0

Great help! Accurate, easy to follow directions

Jack Applegate - crwdns2934203:0crwdne2934203:0

Excellent. Just what I needed, to bring life back to the dead.

pvlewisnz - crwdns2934203:0crwdne2934203:0

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