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ET Solar

ET Solar Group ET-P672290WW (290W)

Residential · 290W
55
SCORE /100
30 specs
Score this as…
⭐ General / Balanced📐 Max Efficiency (Tight Roof)🛡️ Durability & Warranty🌡️ Hot-Climate Buyer⚡ High-Output / Commercial-Scale🪶 Easy-Install / Older Roof

Score Breakdown

Certifications 70
Power Output 59
Build & Install 53
Temperature & Climate Resilience 46
Warranty & Durability 45
Efficiency & Real-World Performance 44

DC Electrical Characteristics

STC Power Rating
290W
PTC Power Rating
259.3W
STC Power per unit of area
13.9W/ft (149.5W/m)
Peak Efficiency
0.1495
Power Tolerances
0%/+5%
Number of Cells
72
Imp
8.08A
Vmp
35.92V
Isc
8.62A
Voc
44.75V
NOCT
45.3°C
Temp. Coefficient of Power
-0.46%/K
Temp. Coefficient of Voltage
-0.155V/K
Series Fuse Rating
20A
Maximum System Voltage
1000V

Mechanical Characteristics

Type
Polycrystalline Silicon
Output Terminal Type
Tyco SolarLok Connector
Frame Color
Clear
Backsheet Color
data not available
Length
77in (1,956mm)
Width
39.1in (992mm)
Depth
1.6in (40mm)
Weight
50.8lb (23kg)
Installation Method
Rack-Mounted

Warranty and Certifications

80% Power Output Warranty Period
25yrs
90% Power Output Warranty Period
data not available
Workmanship Warranty Period
10yrs
UL Fire Classification
data not available
Compliances
UL 1703
CSI Listed
Yes