solar panel 20w

solar panel 20w
1with high efficiency and better disign
2 long lifetime span: more than 25years
3cetification:CE,IEC,TUV,ISO
Solar panel 20w
KD-20M

Performance
KD-20M
Rated power
20W
Power tolerance
±5%
Nominal voltage
12V
Warranty
90% of minimum warranted power output within 10 years 80% of minimum warranted power output within 25 years Free from defects in materials and workmanship for 5 years


Typical Electrical Characteristics
KD-20M
Nominal Maximum Power at STC (Pmax)
20W
Voltage at Pmax(Vmp)
17.25V
Current at Pmax(Imp)
1.16A
Short circuit current(Isc)
1.29A
Open circuit voltage(Voc)
21.5V
Maximum system voltage
1000V
Temperature coefficient of Isc
(0.065±0.015)%/ °C
Temperature coefficient of Voc
-(80±20)mv/ °C
Temperature coefficient of Pmax
-(0.5±0.05)%/ °C
NOCT (Air 20°C;Sun 0.8kw/square
meter; wind 1m/s)
47±2°C

Mechanical Characteristics
KD-20M
Dimensions(mm)
300×635×30 (Overall tolerances +/-3mm)
Weight(kg)
2.5kg
Frame
Clear anodized aluminium alloy type 6063T6. Colour: silver
Solar cells
9 cells(125mm×125mm) configured geometrically for a
4×9 matrix connected
Output cables
(1×4.0mm2)cable
Junction box
IP65 junction box with 2 terminal screw connection blocks
Construction
Front: High transmission 3.2mm tempered glass
Rear: White polyester; Encapsulant: EVA