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ET Solar Group ET-P660220 (220W)
ET Solar
ET Solar Group ET-P660220 (220W)
Residential · 220W
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49
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
Build & Install
50
Temperature & Climate Resilience
46
Efficiency & Real-World Performance
42
Power Output
41
Certifications
38
Warranty & Durability
38
DC Electrical Characteristics
STC Power Rating
220W
PTC Power Rating
198.2W
STC Power per unit of area
12.6W/ft (135.2W/m)
Peak Efficiency
0.1352
Power Tolerances
-1%/+3%
Number of Cells
60
Imp
7.58A
Vmp
29V
Isc
8.1A
Voc
36.3V
NOCT
45.3°C
Temp. Coefficient of Power
-0.46%/K
Temp. Coefficient of Voltage
-0.126V/K
Series Fuse Rating
15A
Maximum System Voltage
1000V
Mechanical Characteristics
Type
Polycrystalline Silicon
Output Terminal Type
Multicontact Connector Type 4
Frame Color
Clear
Backsheet Color
data not available
Length
64.6in (1,640mm)
Width
39.1in (992mm)
Depth
2in (50mm)
Weight
43.9lb (19.9kg)
Installation Method
Rack-Mounted
Warranty and Certifications
80% Power Output Warranty Period
25yrs
90% Power Output Warranty Period
data not available
Workmanship Warranty Period
5yrs
UL Fire Classification
data not available
Compliances
data not available
CSI Listed
No
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