Can't say I have much first-hand experience with them. Prices seem very high though. I'm still using Nickel-Metal-Hydride batteries in my Ryobi power tools and see them adverstising the Lithium Ion replacements for a LOT more money. If twice the price they ought to do at least twice the work - in my opinion.
The newest Lithium-Ion batteries have a very low self-discharge rate so for some people, they might be worth the extra cost. Self-discharge should not be an issue though in an RV or solar bank that gets constantly recharged.
Who knows what will come in the future? The BIG breakthrough in battery technology will be when someone creates a variable-capacity battery. That has been a HUGE issue many people have been working on.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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1965 International Harvester McCormick Farmall cub tractor 2,500. Two owner tractor. My grandfather bought new in 1966, then we inherited it. Have all the paperwork original manual and all maintenance records. It starts and moves. Comes with underbelly mower, plough, and some other attachments.
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