On Thu, 22 Jun 2006 23:39:47 -0400, Larry wrote:

If they last 3 years before the capacity starts limiting cruising range
uncomfortably, at today's awful inflation rate over the next 3 years of,
say, 15%, replacement's gonna cost you around $16,000 to 17,000 PLUS
INFLATION EVERY 3 years....or so...

Rolls batteries typically last 7 to 10 years if well cared for. We
are *not* talking Walmart quality here. Most of the folks who buy
those beautiful little Duffy boats are old enough that 7 to 10 years
is as good as a lifetime warranty.