Solar Technology 20Aamp Dual Battery Charge Controller

Product Code: STCC20
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This controller is for off-grid solar systems and has the additional functionality that it can charge two batteries simultaneously and can work on both 12v or 24v systems.

The charging process has been optimized for long battery life and improved system performance. The comprehensive self-diagnostics and electronic protection functions can prevent damage from installation mistakes or system faults.

  • Reverse current protection.
  • Unique dual battery charging function.
  • Efficient Series PWM charging, increases battery lifetime and improves solar system performance.
  • 12/24V automatic recognition.
  • Overload protection
  • Open circuit protection
  • Lightning surge protection
  • Deep discharge protection
  • Charge current protection up to 20A

    Nominal System Voltage12/24VDC (automatic system voltage recognition)
    Battery Voltage Range6-36V
    Rated Battery Current20A 
    Charge Circuit Voltage Drop≤0.26V
    Temperature Compensation Coefficient-30mV/oC/12V(25o ref)
    Over Voltage Disconnect Voltage16V/32V
    Charging Limit Voltage14.6V/29.2V
    Equalize Charging Voltage14.6V/29.2V
    Float Charging Voltage13.8/27.2V
    Operating temperature-35oC to +55oC
    Overall dimensions135 x 70 x 35mm
    Mounting hole size (in case)3.8mm
    Net weight155g

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