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Solar mounting & tracking systems

Tongwei N-Type TOPCon TNC 2.0 solar panel (620W – 640W)

N-type half-cell bifacial solar panel with proprietary TNC 2.0 cell technology achieving 23.1% module efficiency and 30-year linear performance warranty.
Capacity 620W – 640W
Power 23.1% module efficiency
Cycle life 0.4%/year annual degradation
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Tier 1 Certified
Tongwei N-Type TOPCon TNC 2.0 solar panel (620W – 640W)

Detailed technical specifications

Manufacturer standard technical parameters and ratings

Storage capacity620W – 640W
Rated power23.1% module efficiency
Operating voltage1500V DC
System efficiency23.1%
Cycle life0.4%/year annual degradation
Operating temperature-40°C ~ +85°C
Connectivity & protocols4.0mm² cable, MC4-EVO2
Warranty policy12-year product / 30-year performance

Key features & core advantages

Advanced technology built for superior reliability and performance

Next-generation N-type TOPCon TNC 2.0 cell technology
Bifacial double-glass design capturing rear albedo reflection (+5% ~ +25% kWh)
Industry-leading photovoltaic conversion efficiency peaking at 23.1%
30-year linear power warranty guaranteeing ≥87.4% output after year 30
Certified mechanical loading: 2400Pa wind resistance and 5400Pa snow load

Product details

Next-generation N-type TOPCon solar panel with proprietary TNC 2.0 cell architecture manufactured by Tier 1 global producer Tongwei. Features double-glass bifacial cells generating up to 25% additional power from rear albedo reflection.

Application scenarios & economic value

Maximizing financial return and power resilience for your facilities

01 / Peak Shaving

Peak shaving & TOU arbitrage

Charge during off-peak hours and discharge during on-peak tariff hours to reduce monthly commercial power bills by up to 30% – 45%.

02 / Power Resilience

Zero-switch power backup (UPS)

Ultra-fast switching speed (< 10ms – 20ms) protects critical production lines and sensitive machinery against grid flickers and blackouts.

03 / Solar Self-Use

Solar self-consumption maximization

Store daytime surplus solar production and utilize it during high-demand or night hours, eliminating renewable curtailment.

Request a technical proposal & project quote

Our engineering team will assess your electrical load profile, calculate optimal sizing, and prepare an ROI feasibility analysis.

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