If the hardware is basically toast try soaking the device in ammonia or
vinegar. This (usually) loosens the corrosion and allows the batteries to
Afterward flush the device with water and set in the sun to dry. Be aware
that corrosion on the electronics tends to follow the 'leads' into the chips
and the devices usually fails over time. Often faster then it would
Don't know how the batteries mount in you device, however, I have poked
or drilled a small hole in the negative end of the battery and used a
sheet metal screw, screwed into the hole, as a pulling handle.
The good news is that the battery manufacturer "may" reimburse
you for your damage caused by the batteries.
I had a Maglight aluminum flashlight, which I offered to send
to Duracell but they simply asked me how much it cost, and
sent me a check for that amount (about $20 in my case).
So, if/when you do get the batteries out, save them, and
contact the manufacturer. They will ask for the date code
on *each* battery (they told me most of the time the corrosion
is due to dissimilar dates being put together - I don't know
how true that may actually be though).
In my maglight situation, I banged the hell out of the
flashlight to free the batteries.
If it's something of more significant value than a basic flashlight, the
battery company will likely send you a pre-paid mailing kit to ship it
to them for evaluation. Unless the device tried to charge the
non-rechargable batteries or similar, they will most likely send you a
check for the cost of the unit. They are generally quite good about this
since they don't get that many claims. Of course the important thing to
remember is to remove the batteries from devices in storage and to check
the batteries periodically on regular use devices since leaks have been
known to occur before the batteries are actually dead.
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