SolarWish
CompareResidentialCommercialUtility
ET Solar

ET Solar Group ET-P672310WW (310W)

Residential · 310W
63
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

Warranty & Durability 72
Certifications 70
Power Output 64
Temperature & Climate Resilience 50
Efficiency & Real-World Performance 49
Build & Install 47

DC Electrical Characteristics

STC Power Rating
310W
PTC Power Rating
277.5W
STC Power per unit of area
14.8W/ft (159.8W/m)
Peak Efficiency
0.1598
Power Tolerances
0%/+2%
Number of Cells
72
Imp
8.23A
Vmp
37.71V
Isc
8.79A
Voc
45.8V
NOCT
45.3°C
Temp. Coefficient of Power
-0.44%/K
Temp. Coefficient of Voltage
-0.156V/K
Series Fuse Rating
15A
Maximum System Voltage
1000V

Mechanical Characteristics

Type
Polycrystalline Silicon
Output Terminal Type
Multicontact Connector Type 4
Frame Color
data not available
Backsheet Color
Clear
Length
77in (1,956mm)
Width
39.1in (992mm)
Depth
1.6in (40mm)
Weight
58lb (26.3kg)
Installation Method
Rack-Mounted

Warranty and Certifications

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