Don and Don are more qualifued than I am to answer this, and they
already have, but I wanted to point out another option. With the KBT2,
the 10W panel may be too big, and you can use a 5W solar panel and the
KBT2 without a charge controller *if* the K2 is on and the current draw
is about the same as the panel output. For example, the Northern Tool
flexible folding panel for $40 puts out 340ma at noon, and my K2 with
all options (DSP) on, pulls 320ma. I monitor the battery voltage and
plug in the panel directly to the extra battery connection Don
mentioned. When the K2 is off or if I want to charge the battery and
turn off options, I use Don's controller inline.
Result: after my FD operation 1B2B/WNY (we were driving to Canada from
Syracuse) I found my KBT2 fully charged.
73,
Leigh/WA5ZNU
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