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GigaWatt

GigaWatt GW-300MB-USA (300W)

Residential · 300W
66
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 84
Build & Install 75
Efficiency & Real-World Performance 65
Power Output 61
Temperature & Climate Resilience 60
Warranty & Durability 43

DC Electrical Characteristics

STC Power Rating
300W
PTC Power Rating
271.5W
STC Power per unit of area
17.0W/ft (183.5W/m)
Peak Efficiency
0.1835
Power Tolerances
0%/+2%
Number of Cells
60
Imp
9.33A
Vmp
32.52V
Isc
9.78A
Voc
39.82V
NOCT
45°C
Temp. Coefficient of Power
-0.4%/K
Temp. Coefficient of Voltage
-0.119V/K
Series Fuse Rating
15A
Maximum System Voltage
1000V

Mechanical Characteristics

Type
Monocrystalline Silicon
Output Terminal Type
Multicontact Connector Type 4
Frame Color
Black
Backsheet Color
White
Length
64.6in (1,640mm)
Width
39.3in (997mm)
Depth
1.6in (40mm)
Weight
42.8lb (19.4kg)
Installation Method
Rack-Mounted

Warranty and Certifications

80% Power Output Warranty Period
25yrs
90% Power Output Warranty Period
10yrs
Workmanship Warranty Period
10yrs
UL Fire Classification
Type 2
Compliances
UL 1703, IEC 61215, IEC 61730
CSI Listed
Yes