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Solder doesn't evaporate and can last 50 or 60 years or longer. While some have said that solder may need to be redone every twenty years or so, in practice I have never found this to be true. The only thing that might be a problem would be the electrolytics as they dry out but the chips and board would be fine. Maybe the screen might eventually go bad but maybe not. I would say with storage and new batteries these things can go for many, many years. The one thermal problem might be the recharging circuit as this has to dissipate heat and heat is the enemy.
I have read of some new batteries that will use micro tubes that will allow for 10 times the same storage for a given size so right now a 2200Ma in the 120/140 would be a 22,000Ma. Now that would be some life. Recharge would take a while though but the run time would be around 120 to 140 hours.
Last edited by jamato8 : April 18th, 2008 at 09:36 PM.
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