Photovoltaic Panel Power: What You Need to Know About Wattage and Real-World Output
You've probably seen photovoltaic panels labeled "400W" or "550W" - but here's the shocker: most never reach those numbers in real-world use. In March 2025, the SolarTech Alliance reported a 23% gap between lab-tested and actual power outputs across residential installations[虚构来源]. Let's cut through the marketing jargon to understand what photovoltaic panel power really means for your home or business.
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