"Watson A.Name \"Watt Sun - the Dark Remover\"" wrote in news:cbpc2i$7jot7$ snipped-for-privacy@hades.csu.net:
> One cell leaked some juice inside my Mini MagLight, and I cleaned the
> threads and spring off and scraped all the residue I could off the
> endcap. But it still makes poor contact, even after I cleaned it again.
>
> I googled for "remove corrosion caused by alkaline battery" and it came
> back with hits for removing corrosion from lead-acid storage batteries,
> but nothing for alkalines. The lead-acid batteries are neutralized by
> an alkali such as baking soda, but since an alkaline cell is already
> alkaline, I don't imagine that using baking soda would help. And I'd
> say this mainly applies to removing corrosion from aluminum and steel
> springs.
>
> Does anyone have an authoratative source of info about this, because I'd
> rather not use something that could make the corrosion even worse.
> Using "Cola" or similar remedies is not what I'd call a valid method.
> Thanks.
>
Ordinary household white vinegar.(you use an acid to neutralize alkalines). Then rinse well,and dry.