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11/27/2020 4:52:22 PM
 
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Section 14: Other Accessories Subject: Flashlights Msg# 1105213
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I have had many old-styled zinc-carbon or zinc-chloride flashlight batteries leak toward the end of their service life, but most were left in the flashlights for an extended period of time. I have had a few alkaline batteries show a lot of corrosion but none that was extensive enough to damage the flashlight. I have never had a Lithium battery leak. I learned early-on to remove batteries from lights, cameras and flash attachments when they were not in use and I never store anything with the batteries installed, not even my electronic calipers for reloading. I also keep a pencil eraser handy to for polishing the ends of batteries and the battery contacts in devices to remove the slight amounts of invisible corrosion that tend to build up on contact surfaces.
My three working flashlights all use pairs of 123 batteries and I leave batteries installed in them. The batteries don't last long enough to be left in place for an extended period of time so I don't know if they are prone to leak with age. My flashlights are "old tech", one has an incandescent bulb and the others have early LEDs. It is unusual for my flashlight batteries to last more than 8 months. |
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For reference, the above message is a reply to a message where: All the standard sizes, even those button batteries. Flashlights, remotes, etc have all been affected. I don't expect that with current technology. I know, I'm the only one. (I mean that as a joke) 
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