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AA batteries leakage and the threaded lid won't open

I have the latest wireless bluetooth keyboard, I left two AA batteries inside and haven't used it for about 2 month until I found that there's a battery leakage ( some white corrosion is outside the threaded lid area), so I immediately tried to open it but the corrosion joined the parts together so strongly. I used a coin with a hold of pliers, the coin got twisted. Then I tried with a screw driver and there's still no luck.


So I took it to an apple-appointed service center, they basically did the same thing and couldn't open it either, in the end, they told me that there's nothing they can do about it.


It's funny that the service guys can't even open a corroded lid, on the other hand, I can there are so few people who are as forgetful as I am.


I wonder if there's any chemical product I can use to dissolve the corrosion and loosen the lid. Please advise!!! Thanks!

Posted on May 19, 2011 10:39 AM

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Posted on May 19, 2011 1:30 PM

Thanks Asatoran!


I managed to open the keyboard from the bluetooth compartment, luckily enough, the bluetooth circuit board is not destroyed at all. I removed the electronics, and one of the AA battery that is touching the board side is still in good condition (on the outside at least), I removed the "good" battery, the other corroded battery was stuck in the tube. So the battery compartment is actually insulated from the keyboard part, it's a tube just like a Maglite. So I put a few drops of vinegar into the tube, and soak the lid into a container with vinegar too. Trying to get the corrosion from both inside and outside dissolved. I will leave it for maybe 5 hours and see what happens.


Thanks again, I will keep this post updated.


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22 replies

Jun 24, 2015 11:08 AM in response to finddarkpoet

This really helped. I took out the bluetooth hardware and used a syringe to inject vinegar around the batteries. I also set the end in a shallow pan of vinegar and let it sit for 2 hours. After that the vise and a nickel and I go the end off. Had to use a screw driver to push out the batteries. Then used a gun cleaning kit to clean the inside of the compartment. Put it all back together and it is working fine.

Jul 3, 2015 7:33 AM in response to maxfromwinter springs

I had relegated this wireless keyboard to the pile for the next electronics recycling day, but I so wanted to be the MacGyver hero (to myself) and fix it. This thread gave me hope and I enjoy a repair challenge...until it gets frustrating!


End cap came off with some pressure and a coin. How do I take out bluetooth hardware? Is that the button on the other end? Is the keyboard irreparably damaged if I put decalcifier down in the tube with the other end still closed? Do I have to be careful not to get moisture in the keypad?


Thanks!

PS: I noticed that diluted decalcifier does a good job at cleaning the keypad.

Dec 23, 2015 11:21 PM in response to Ben Murray

This is a terrible design and choice of materials! Apple does not care much about the accessories. How can one have battery cover so stuck in less than 2 months of non use. Just like the ear bud headphones and chargers of Apple, which dont last long, now you can add the blue tooth keyboard to it. These are not cheap, but are very cheaply made. Apple: Are you listening???

Jan 8, 2016 8:49 PM in response to finddarkpoet

Hi Everyone!


The same thing happened to me- and now here I am typing away on the same keyboard.

Here is what I did:


Removed Bluetooth cover

removed screw

slipped out the electric board from the right hand side

covered the screw cap end with something thick (I used a jacket) and HAMMERED out the corroded batteries.

Once the batteries were out, I stood the keyboard on its side, and poured vinegar inside to dissolve the corrosion. I stuffed the top with tissues so that it wouldn't leak out.

My guess is the vinegar helped dissolve some of the corrosion because I was able to unscrew the screw the next morning.I used a washer that was close in thickness to the screw. I also used pliers.


With the screw out- there was tons of corrosion. I used a pencil with a piece of coarse sandpaper taped around it and sanded away the gunk. Worked like a charm!


I used a pumpkin carving tool to scape away the corrosion in the threaded areas because the sandpaper couldn't get into those small areas.


To put everything back together: the main thing is to tuck the striped plastic sheet under the bluetooth cover back over into the black plastic piece. It should not be flapping out. When I did not place this piece back correctly, the first row of keys did not work. Please see photo two posts above mine to see what I am talking about.


I also applied some silicone lubricant around the screw to make it easier to wind back.


Worked like a charm!

AA batteries leakage and the threaded lid won't open

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