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On 10/22/2012 4:34 PM, wrote:
> Quite a while ago I went through all my stored electronics and made sure all the
> batteries had been removed. Today I went to get out a flash to try on my new
> Fujifilm camera, and found I had forgotten to take out the batteries and they're
> all corroded/leaking. I got the batteries out but the terminals have all that
> white corrosion on them. And the real bad news is that it's a Nikon Speedlight
> that cost me over $200 a few years back. Am I sh*t out of luck or can those
> terminals be cleaned up? Thanks.
>

Try cleaning the terminals with an ordinary pencil eraser. While you are
doing that, make sure the droppings are not falling into the
electronics. A pencil eraser is a mild abrasive. If the corrosion is
thick try gently chipping it off with a sharp knife. Again be careful
not to let the droppings fall into the unit.

--
Peter