solarpanel.io

solar panel

GreenWatts HS66-F-665-MN

The GreenWatts HS66-F-665-MN is a bifacial monocrystalline solar panel with a maximum power output of 665W and an efficiency of up to 21.4%, designed for high reliability and energy yield in harsh environments, with certifications including IEC and UL standards (documents 1, 2, 3).

Images

GreenWatts HS66-F-665-MN
og_image

Pros and cons

Pros

Strengths called out by generated product content.

  • Half-cut cell technology improves efficiency and low-light performance.
  • Delivers high power output of 665 watts.
  • Efficiency of 21.4% reported.
  • 30-year performance warranty to maintain at least 85% of initial power.
  • Constructed with durable double glass PERC technology.
  • Monocrystalline design offers impressive real-world performance.

Cons

Tradeoffs and constraints to review before choosing.

  • Some skepticism about actual power output compared to ratings.
  • Limited user discussion on potential installation or maintenance issues.

Notes

Context that does not fit neatly as a pro or con.

  • Panels are part of GreenWatts' lineup and employ PERC technology.
  • Rated voltage and size details vary across sources.
  • Some users compare with other brands like Trina or Greensun.

Electrical Specifications

Power Output
665 W1
Efficiency
21.4 %2
Cell Type
Monocrystalline1
Temperature Coefficient
-0.34 %/°C2
Max System Voltage
1,500 V2

Physical Dimensions

Width
1,303 mm2
Height
33 mm2
Weight
38.7 kg2

Sources

  1. Source 1a1solarstore.coma1solarstore.com2 facts
    Open
  2. Source 2static.trinasolar.comstatic.trinasolar.com6 facts
    Open