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   silverwizard (silverwizard@convenient.email)'s status on Sunday, 18-Dec-2022 04:45:37 JST silverwizard
   It is intensely my fault that my son says turning on both his flashlights at night having a "hot spare"
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     silverwizard (silverwizard@convenient.email)'s status on Sunday, 18-Dec-2022 04:54:58 JST silverwizard

     in reply to
     I told him he needs a "cold spare", so if the first runs out of batteries, the second will still work, but he says he likes hot spares
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     silverwizard (silverwizard@convenient.email)'s status on Sunday, 18-Dec-2022 05:17:53 JST silverwizard

     in reply to

     • Dave
     @dj3vande I dislike the cold/warm distinctions. As the tradeoffs for warm usually make it cold or hot.
     
     I think I agree if you use warm, my definition meets warm not cold
     
     Also, if you can't put batteries on the flashlight, it's definitely not a spare when unbatteried
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     Dave (dj3vande@convenient.email)'s status on Sunday, 18-Dec-2022 05:17:55 JST Dave

     in reply to
     @silverwizard Nonono, a cold spare is a flashlight sitting next to a fresh unopened package of batteries on a shelf in the closet.
     Tell him the optimal redundancy strategy for a flashlight is a warm spare (ready to hand with the batteries in but not powered on).
     silverwizard likes this.