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20W 12V Solar Panel & Regulator Combo

Energy Matters 20Watt 12Volt Suntech Solar Combo


Energy Matters introduces the Suntech Solar Combo Deal, which provides enough power and protect 12V battery from overcharge. Helps run pumps, lights, fans, stereos, caravan, cabins and boats.


Kit Comprises Following Components


  • 1 x Suntech 20Watt 12Volt Solar Panel
  • 1 x Morningstar Sunguard 12Volt 4.5Amp Regulator



  • 25 Years Limited Power Warranty on Solar Panel
  • 5 Years warranty period, 99.8% of Morningstar's products never fail

Suntech 20Watt 12Volt Solar Panel - STA020-12


The STP020-12 modules are composed of 36 monocrystalline silicon solar cells of similar performance, interconnected in series to obtain the 12 volt output.


  • More power in peak hours through Suntech Power Cells
  • Optimized module performance with Nominal Voltage 12 V DC
  • Bypass diodes to avoid hot-spot effect
  • Cells are embedded in a sheet of TPT and EVA
  • 3.2 mm high transmissive low-iron, tempered glass
  • Unique esthetic appearance of cells
  • Attractive, stable,heavy duty anodized aluminum frames with convenient mounting-access, for high wind-pressure and snow-load
  • The backside frames are equipped with drainage holes. So we eliminate the risk that rain or snow water may accumulate in the frame lumen and freeze or even bend the frame in cold season
  • Pre-cabled with fast-connecting systems Customer-desired packing
  • Certifications: IEC 61215, TUV class II, CE, ISO 9001:2000
Electrical Characteristics
Open circuit voltage - Voc 21.4 V
Optimum operating voltage - Vmp 16.8 V
Short circuit current - Isc 1.21 A
Optimum operating current - Imp 1.19 A
Maximum power at STC - Pm 20Wp
Mechanical Characteristics
Dimensions 656 x 306 x 18 mm
Weight 2.5 kg
STC: Irradiance 1000W/m², Module temperature 25ºC, AM=1.5

Morningstar Sunguard 12Volt 4.5Amp Regulator


Morningstar's SunGuard 4.5 is the most advanced small, economical solar charge controller on the market today.


  • Exceptional Reliability
  • PWM Battery Charging
  • Consistent High Quality
  • Low Cost
  • ISO 9002 quality programs
  • Series design (not shunt)
  • 100% solid state
  • True 0 to 100% PWM duty cycle
  • Setpoint accuracy to 60 mV
  • Temperature compensation
  • Rated for 25% overloads
  • No need to derate
  • Lightning protected with 1500 W transorbs
  • Self-consumption is 6 mA
  • Fully encapsulated in epoxy potting
  • ABS plastic, impact-resistant case
  • Outdoor rated, Hypalon connecting wires

Electrical Specifications


Rated solar input 4.5 A
Max input 5mins 5.5 A
System voltage 12 V
Max solar voltage 30 V
Regulation voltage 14.1 V
Accuracy 60 mV
Self consumption 6 mA
Temp compensation -28 mV/ºC
Reverse current leakage <10 μA
Operating temperature -40 ºC to +85 ºC

Downloads and Manuals


This is an archive page for information purposes only.
  • Model: em20W-combo
  • Shipping Weight: 2.5kg
  • Manufacturer:
    Suntech Power

This product was added to our catalog on Monday 01 October, 2007.

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