I agree that middle point is tough. I actually still use PWM for small
stuff, when I can find reasonably priced 12 v modules. I use the Blue
Sky 30 amp PWM.
I'm testing a Midnite Kid right now that will probably fit the bill.
Also they're new Whizbang Jr can work with all their controllers and
allows for charge control based on SOC, like Blue Sky.
R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760
On 2/20/2014 4:45 PM, RM You wrote:
I see there’s a 30a Phocos that would handle a couple of 250 watt modules in
series at about 38v VOC. Haven’t used them, anyone have experience with Phocos?
Ron
On Feb 20, 2014, at 2:49 PM, RM You <[email protected]> wrote:
Anybody have any recommendations for a 45a MPPT controller other than
Morningstar? I’ve had absolutely miserable tech support from Morningstar so I
want to drop the line but I need something that will handle 2 60 cell modules
in the 250w range for off grid applications. I use a Blue Sky for single panels
and a Midnite Classic for three or more but in the middle the only one I can
see is the Morningstar. Outback, Midnite and Xantrex are all overkill for just
a couple of panels unless they want to expand in the future.
Ron
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