What also concerns me is that the person I spoke to said that the batteries would have been performing poorly at this point anyway. I'm skeptical of this. There was a story recently about a test done on a Prius which found that after 10 years, its batteries were operating at something like 95%. But a Segway's battery goes below 50% after four?
It is my understanding that the Prius deliberately doesn't use all of its battery capacity when new. By that I mean that it tells the user that the battery is empty a fair way before it actually is.
As the batteries degrade it uses more and more capacity, giving the user a consistent experience over time. The Segway doesn't really has this as an option, on something like that you can't be dragging around battery capacity you aren't using.
And I'm sure the user manual for the Segway had very clear instructions on not letting the batteries sat for long periods without topping up the charge.
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