My charge controller has turned up it's toes.  It wasn't a MPPT 
controller so I'm now off the fence about buying one.  I have seen the 
Morning Star unit discussed here before.  I'm leaning to the Morningstar 
SunSaver 15 Amp unit at about $230.  I have two 95 watt panels.

I also see that you can connect panels in series up to 75 volts or so 
and use this unit to charge a 12V bank. 
 
Two questions, does anyone have any other controllers they'd suggest I 
look at?
And by hooking two panels in series I'd double the voltage and keep the 
max current lower than a parallel configuration.  That means less loss 
in the wire.  What I don't know is if one of the panels is blocked, will 
that hurt the output of the other panel? 

Thanks,
Jim.
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