20A Dual Battery Charge Controller

20A Dual Battery Charge Controller

Product Code: STCC20
Price: £60.00 Ex Tax: £60.00

This controller is for off-grid solar systems and has the additional functionality that it can charge two batteries simultaneouslyand 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

All solar panels (except the 5w &10W) require a voltage regulator to ensure that the battery is not overcharged. We recommend this controller for solar systems with a total watts of 100w to 300w

Availability: In Stock
Nominal System Voltage 12/24VDC (automatic system voltage recognition)
Battery Voltage Range 6-36V
Rated Battery Current 20A 
Charge Circuit Voltage Drop ≤0.26V
Self-consumption ≤6mA
Temperature Compensation Coefficient -30mV/oC/12V(25o ref)
Over Voltage Disconnect Voltage 16V/32V
Charging Limit Voltage 14.6V/29.2V
Equalize Charging Voltage 14.6V/29.2V
Float Charging Voltage 13.8/27.2V
Operating temperature -35oC to +55oC
Overall dimensions 135 x 70 x 35mm
Mounting hole size (in case) 3.8mm
Terminals 6mm2
Net weight 155g


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