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electrical:solar:shunt_tweaking [2017/11/22 13:48] frater_secessus |
electrical:solar:shunt_tweaking [2017/11/26 18:15] frater_secessus |
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Note: this article was written by secessus about the [[http:// | Note: this article was written by secessus about the [[http:// | ||
- | A configurable shunt controller can be a very good deal, sometimes less than $10 shipped. | + | A configurable |
There are three setpoints that interest us: charging setpoint, low voltage disconnect, and low voltage reconnect. | There are three setpoints that interest us: charging setpoint, low voltage disconnect, and low voltage reconnect. | ||
- | The charging setpoint, called PV OFF on the screen, is the highest voltage you want your battery to see. There are no separate Absorption voltage (Vabs) or Float voltage (Vfloat) settings, just the one PV OFF setpoint. | + | The charging setpoint, called PV OFF on the screen, is the highest voltage you want your battery to see. There are no separate Absorption voltage (Vabs) or Float voltage (Vfloat) settings, just the one PV OFF setpoint. |
So if you are deep cyling the batteries daily and can check water levels I would use something quite high like 14.7v or as high as your battery manufacturer allows for Absorption. | So if you are deep cyling the batteries daily and can check water levels I would use something quite high like 14.7v or as high as your battery manufacturer allows for Absorption. |