[Elecraft] OT - Solar panel output

WILLIS COOKE wrcooke at flash.net
Wed Mar 19 12:34:21 EST 2008


--- Ken Kopp <k0pp at rfwave.net> wrote:

> We have an RV with 12A of solar panels on the roof.
> They charge a bank of 4 golf cart batteries with a
> total
> capacity of  440 AH
> 
> It's surprising the amount of energy they will
> deliver,
> even on a rainy day.  Nothing near the 12A, but
> still
> several amps.
> 
> We have the experience to back this up ... 5 years
> of six (winter) months each on the Oregon coast.
> (:-))
> 
> Didn't want the idea that solar panels are useless
> in
> the rain or a on a cloudy day to get started.
> 
> 73! Ken Kopp - K0PP
>        ElecraftCovers at rfwave.net
12 AMPS of solar cells is a lot bigger than the 33
watt unit that we were discussing.  12 amps X 14 volts
is 168 watts.  The 33 watt unit is less than 2.5 amps,
barely enough to run a transceiver continuously during
good sunlight.


Willis 'Cookie' Cooke 
K5EWJ


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