AKT Solar Products Off-Grid Solar Panels 20 Watt Monocrystalline
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20 Watt MONOCRYSTALLINE SOLAR PANEL

20W AKT Solar Panel Front
20W AKT Solar Panel Back CE Certified

Features

  • High performance, high efficiency monocrystalline silicon cells
  • 3.2mm tempered glass and rigid anodised aluminium alloy frame gives exceptional strength
  • Grounding holes for easy installation
  • Voltage optimised for use in 12V systems
  • Guaranteed 25 year power-output (90% of power after 10 years of use, 80% of power after 25 years of use)
  • +/-5% power output tolerance (average 20W)
  • CE certification

Example Applications

  • Keeping car, van, caravan or boat batteries topped up
  • Powering small appliances such as fans and lighting
  • Powering pond fountains
  • Charging 12V batteries

Specific Attributes

Low-iron tempered anti-reflecting glass Low-iron tempered anti-reflecting glass, Back Surface Field (BSF) silicon nitride anti-reflective cell coating increase conversion efficiency.

AKT Solar logo assures of quality.		 AKT Solar logo assures of quality Rigid anodised aluminium frame and toughened glass prevent damage due to frost, snow, hail and high winds.

Thermal isolation between laminate and waterproof junction box minimises electrical power losses.
Electrical Output under Different Light Intensity and Temperature
Current-Voltage Relationship, variable light intensity AKT-20-M Current-Voltage Relationship, variable light intensity Power-Voltage Relationship, variable light intensity Power-Voltage Relationship, variable light intensity
Current-Voltage Relationship, variable temperature AKT-20-M Current-Voltage Relationship, variable temperature Power-Voltage Relationship, variable temperature Power-Voltage Relationship, variable temperature


Electrical Characteristics under STC1

Open-circuit voltage (Voc) Av 21.0V, sd 0.3
Voltage at maximum power (Vmp) Av 17.5V, sd 0.2
Short-circuit current (Isc) Av 1.23, sd 0.05
Current at maximum power (Imp) Av 1.14A, sd 0.03
Maximum power at STC (Wp) 20W ±5%
Operating temperature -40oC to +85oC
Maximum system voltage 1000Vdc
Power tolerance ±5%
1 Standard Temperature and Conditions: 25oC, AM 1.5, 1000W/m2

Temperature Dependence of Isc, Voc and Wp

Nominal operating cell temperature (NOCT) 47oC ±2oC
Temperature coefficient of Wp -0.5 ±0.05 %/oC
Temperature coefficient of Voc -0.155 ±0.01 %/oC
Temperature coefficient of Isc 0.06 ±0.01 %/oC

Mechanical Characteristics and Dimensions

Solar cells Monocrystalline 125x125mm
No. of cells 36 (4×9)
Dimensions 330x550x25mm
Weight 3.7kg
Front glass 3.2mm tempered glass
Frame Anodised aluminium alloy

Applied Knowledge and Technology Limited, High Wycombe, UK 
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.       Telephone: 01494 372 301

20 Watt Monocrystalline. Copyright © 2009-2013 Applied Knowledge and Technology Limited
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