Quote:
Originally Posted by dhdallas
Beware of advice from those who have never owned an electric cart. New battery replacement is nowhere near $4k. I recently converted my lead acid battery cart to Lithium Iron Phosphate or LiFePO4 batteries for less than $1200. LiFePO4 batteries differ from the more common Lithium Ion Cobalt in that they are safer, can be recharged hundreds of more times, and the power does not drop off as you run your cart. They will need replacement eventually BUT you will save that money spent in replacing them in that electric carts are essentially maintenance free and have so few parts that they rarely (if ever) break down.
Think of all the belts, hoses, and filters on a gas engine. Fuel injectors, spark plugs, exhaust systems to replace. Oil changes and tuneups. I have seen many many gas carts broken down along the trails but have yet to see an electric one waiting on a tow. Then there is having to go to the gas station to refuel or storing smelly gas in the garage. My neighbors cart leaked gas and oil in their garage and you can still smell it a year later (and it stained their floor).
My cart will run all day with juice leftover and all I do at the end of the day is plug it in and its ready to go for the next day. The batteries are so lightweight that my cart picked up 2 mph after replacing the original heavy batteries & the cart is way lighter than a gas cart. I would never buy a smelly, noisy, polluting high-maintenance gas cart in this day and age. Electric carts are the future and you will save a bundle in the long run. The photo below is of my electric 1999 Club Car DS which runs like a new cart (if not better) even at almost 25 years of age!

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Dang. That sure sent me googling right quick.
Lithium-ion batteries vs lithium-iron-phosphate batteries: which is better? | HERE Not gonna hurt my head by trying to figure out the differences between "power density" and "energy density".
But, if I read that article correctly, it doesn't seem to quite agree with some of your points. But, my understanding of *any* aspect of electromagnetism shall always remain limited.
*Did* note that "ion" and "iron" look really similar, and that LiFe looks a lot like "life". Took me a minute to realize that the "Fe" part refers to iron. :-)