Product Specifications
Offered by Ameresco Solar | PH 1-855-43-SOLAR | www.amerescosolar.com
Economical Panels for Off-Grid Applications - VLS-20W
Value Line Series (VLS) - 20W Panel
The Value Line Series (VLS) family of solar modules, oered by Ameresco Solar, is a reliable,
rugged, and economic panel engineered for o-grid solar applications. The VLS line oers
the rugged and reliable construction, materials, and performance.
VLS
Value
Line
Series
ELECTRICAL CHARACTERISTICS CERTIFICATIONS
Maximum power (P
max
)
(1)
20W
Tolerance (P
max
) ±5%
Open circuit voltage (V
oc
) 21.4V
Maximum power voltage (V
mp
) 17.1V
Short circuit current (I
sc
) 1.30A
Maximum power current at (I
mp
) 1.17A
Maximum system (DC) voltage 80V
Operation temperature range -40°C - 85°C
NOCT
(2)
48±3°C
Temperature coefficient of I
sc
0.084%/°C
Temperature coefficient of V
oc
-0.390%/°C
1. Values at Standard Test Conditions (STC): 1000W/m
2
irradiance, AM 1.5 solar spectrum and 25
o
C module temperature
2. Nominal Operation Cell Temperature: Module operation temperature at 800W/m
2
irradiance, 20
o
C air temperature, 1m/s
wind speed
MECHANICAL CHARACTERISTICS
Output Cables AWG#18(0.75mm
2
) 2core
Length: 4572mm / 15ft (“+” red, “-” black)
Dimensions 520 × 350 × 35mm / 20.47 × 13.78 × 1.38 in
Weight 2.5kg / 5.5lbs
The VLS-20W Panel features:
Rugged construction, precision engineering and quality components
Tempered glass, EVA lamination and weatherproof backskin that fosters
long-life and enhanced cell performance
Manufactured according to International Quality and Environment Management
System (ISO9001, ISO14001)
side view
520 (20.47)
520 (20.47)
35 (1.38)
340 (13.39)
90 (3.54)
170 (6.69)
310 (12.20)
350 (13.78)
350 (13.78)
35 (1.38)
AM1.5, Cell Temp: 25°C Irradiance: AM1.5, 1KW/m
Current (A)
Voltage (V)
0
0
0.4
0.8
1.2
0.4
0.8
1.2
10 20
1000W/m
2
800W/m
2
600W/m
2
400W/m
2
300W/m
2
Current (A)
Voltage (V)
0
0 10 20
25°C
50°C
75°C
Nameplate
Photographs are intended to portray typical module appearance, actual module appearance may vary. Diagrams may not be proportionate and are intended for illustrative purposes only. 02/02/14
IV CURVES
DIMENSIONS
6-Mounting holes
5x12.7 (0.37x0.5)