One alternative would be to dedicate a sepearate
battery to the cooler, which, it it holds insulin, is
v. v. important. There are several ways I could think
of that might helps. These are not necessarily trick,
but could be enough to make the previous technical
ideas work:
first, you could use 2 batteries. My pickup, a
diesel, has 2 batteries fed off the same alternator.
I forget how to hook them up (+ to + or = to -) but
one way increased the voltage to 24 v. and one way
doesn't. This would, obviously, increase weight.
However, you could disconnect the auxilliary battery
at the treffen, and that may make sure your bike
starts in the morning.
2. If you load up your cooler with cold stuff, it
will take less power to keep it cold. If you drink
all the beer on the first night, your cooler will be
less efficient.
3. Look at a deep cycle marine battery, and see how
much power it will store, calculating how much power
the cooler will draw over a weekend at the treffen.
Will it be enough?
4. You could always put in a small solar panel in any
of these applications, just for a little boost.
.02
adam
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