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The Canon AE-1 is a 35 mm single-lens reflex (SLR) film camera for use with interchangeable lenses.

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How to replace Battery contacts?


I bought an old A1. It doesn‘t fire. I think it´s because the battery contacts corroded. I already tried to clean it with alcohol but no chance. Is there a possibility to get to the battery contacts. Maybe to replace them or to remove it and put it into alcohol overnight.


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Alcohol is not what I would use as it won’t cut through the battery corrosion. What you need is white vinegar use a cotton swab (Q-Tip) dipped in the vinegar and hold it against the contacts. You also need to flush the vinegar with water using the same approach using a wet cotton swab.

The bottom contact has a spring to push it up to make contact to the battery if this is not working you’ll need to replace the battery holder. Its a bit of work! Its not something I would recommend for a first timer as its a delicate job. Here’s the Canon A-1 service manual jump down to the exploded views at the end there you’ll see whats involved to get to it. You basically need to take the whole camera apart.

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