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Helios Solar

Helios Solar 7T2-300 (300W)

Residential · 300W
58
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

Power Output 61
Temperature & Climate Resilience 58
Efficiency & Real-World Performance 48
Build & Install 47
Warranty & Durability 45
Certifications 38

DC Electrical Characteristics

STC Power Rating
300W
PTC Power Rating
269.4W
STC Power per unit of area
14.3W/ft (153.7W/m)
Peak Efficiency
0.1537
Power Tolerances
0%/+3%
Number of Cells
72
Imp
8.2A
Vmp
36.55V
Isc
8.77A
Voc
44.96V
NOCT
45°C
Temp. Coefficient of Power
-0.41%/K
Temp. Coefficient of Voltage
-0.144V/K
Series Fuse Rating
14A
Maximum System Voltage
1000V

Mechanical Characteristics

Type
Monocrystalline Silicon
Output Terminal Type
Multicontact Connector Type 4
Frame Color
Clear
Backsheet Color
data not available
Length
78.1in (1,984mm)
Width
38.7in (984mm)
Depth
1.6in (40mm)
Weight
57.3lb (26kg)
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
data not available
CSI Listed
No