solar panel
GSTAR 440W Solar Panel 108 Cell Bifacial
The GSTAR 440W Solar Panel 108 Cell Bifacial (gstar-gsd7s54t) features TOPCon technology, a bifacial design, and a black full-glass appearance, with a 30-year linear power warranty and high module efficiency supported by manufacturer specifications (documents 1, 3).
Images
Pros and cons
Pros
Strengths called out by generated product content.
- Black on black design available
- High efficiency reaching 22.53%
- Bifacial design can improve low-light performance
- Durable with potential long lifespan of 50-60 years
- Manufactured with smaller cells to reduce power loss
Cons
Tradeoffs and constraints to review before choosing.
- Low Vmp may limit pairing with certain microinverters
- Panels are heavy, over 80 pounds, requiring assistance for handling
- Relatively new manufacturer with limited long-term performance data
Notes
Context that does not fit neatly as a pro or con.
- Price is considered very affordable compared to brand-name panels
- Panel size and weight may require ample storage and support