kit
New Member
Posts: 4
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Post by kit on Oct 9, 2016 22:21:35 GMT
I have a 150w panel 12v off-grid setup (2 golf cart bats) and an inexpensive 30a controller with basic "smart" multi-stage charging (I suppose it's the PWM type). It has two "load" terminals in addition to the battery and panel terminals.
Now, I understand from googling around that "load" should not be used for any large draws (e.g. that only small inverters can be attached, or else a single light). I understand that "load" normally turns on or off as well (although it can be programmed on my controller to be always on). I read also that it can be called "lvd".
However, I don't quite understand the dynamics of the power at "load". Is it the excess of panel power that can't be used for charging to the battery terminals and is otherwise wasted if you don't use it? Or, if I'm using load, is it just an extra draw that makes my battery charging slower? I have read the manual thoroughly, but it gives no insight other than just the settings for load.
Basically, I'm not sure about whether it's good to even consider using load for anything. But if it's not taking away from normal charging capabilities, are there some potentially good uses for it, other than lighting a light in the daytime (which I don't really need anyway)?
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Post by dennis461 on Dec 3, 2016 23:09:10 GMT
Brand name and model number of controller?
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