Degradation is a function of time, the number of recharge cycles, and whether you abuse the battery. Without knowing how many miles are actually going to be put on a cart it is hard to be more precise than my approximate 2% number. It could be more but could be less. Based on actual usage you can get a more tailored estimate with a minimal amount of effort. 3000-5000 full recharge cycles is often referenced. This would correspond to over 200k miles. The current sweet spot seems to be 160 to 210 amp-hours. This seems to satisfy the range requirements of most buyers. In the event the battery goes prematurely south in 10 years then you can replace it for less than it cost now since prices of lithium-ion batteries will likely continue to decrease.
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Originally Posted by golfing eagles
And I'd like to replace my 10-year-old gas cart with electric as well. But I would prefer an 80-mile range, and more than an "assumption" that the battery only degrades 2%/year.
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