solar panel
GSTAR 550W Solar Panel 144 Cell Bifacial
The GSTAR GSD7G72M-550WT is a 550W monocrystalline bifacial solar panel with 144 cells, designed for commercial and wholesale applications, supporting high efficiency and energy output supported by manufacturer specifications (documents 1, 2, 6).
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Pros and cons
Pros
Strengths called out by generated product content.
- High efficiency with 21.29% module efficiency
- Bifacial design employs both sides to absorb photons
- Large power output of 550W per panel
- Dual-glass construction for durability
- Good reviews from PV magazine
Cons
Tradeoffs and constraints to review before choosing.
- Panels are very large and heavy, over 80 pounds
- Low Vmp may limit pairing options with certain microinverters
- Limited user reviews and coverage despite positive professional reviews
Notes
Context that does not fit neatly as a pro or con.
- Price per panel is around $221, making them relatively inexpensive
- Some users prefer name brands despite lower cost
- Panels are suitable for large installations and can be configured in series or parallel
Electrical Specifications
Physical Dimensions
- Width
- 210 mm
- Height
- 210 mm
- Weight
- 20 kg2