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TCL 620Wp Solar Panel – HSM-GRA-NM620: High-Efficiency N-Type Solution by Tran Le Electricity

Are you looking for a premium, high-capacity solar module with outstanding performance for residential or commercial rooftop systems in Ho Chi Minh City, Binh Duong, Dong Nai, or other Southern provinces? The TCL 620Wp Solar Panel – HSM-GRA-NM620 is a top-tier choice for 2026. Featuring N-type TOPCon and Shingling Bifacial Double Glass technology, this module can increase electricity yield by 20-30% compared to conventional panels, especially on reflective metal roofs.

With a module efficiency of up to 22.7% (reaching ~23% in specific batches), bifacial light capture, and a 30-year linear power warranty, the TCL 620Wp Solar Panel – HSM-GRA-NM620 helps you save millions of VND on electricity bills annually, offering a rapid payback period of 4-6 years.

1. Technical Specifications: TCL 620Wp Solar Panel – HSM-GRA-NM620

Below are the detailed technical parameters for the TCL 620Wp Solar Panel – HSM-GRA-NM620, distributed by Tran Le Electricity:

Technical Feature	Specification Details
Model	HSM-GRA-NM620
Type	N-type Bifacial Double Glass Module
Technology	TOPCon + Shingling (Cell-overlapping to reduce loss)
Maximum Power (Pmax)	620Wp
Module Efficiency	22.7% (Up to 23% under optimal conditions)
Dimensions	2413 × 1134 × 30 mm
Weight	33.2 kg
Manufacturer	TCL Solar – A Global Tech Leader
Product Warranty	15 Years (Hardware)
Power Warranty	30 Years (Linear degradation ≤0.4%/year)

The TCL 620Wp Solar Panel – HSM-GRA-NM620 also features high wind/snow load resistance, anti-PID technology, salt mist resistance, and certifications such as IEC 61215/61730, TUV, and CE.

2. Key Benefits of the TCL 620Wp Solar Panel – HSM-GRA-NM620 in Vietnam

• Superior Energy Yield: The N-type TOPCon technology in the TCL 620Wp Solar Panel – HSM-GRA-NM620 reduces thermal loss in high-temperature environments (common in Southern Vietnam). Combined with Shingling technology to minimize partial shading, and Bifacial gain (10-25% from roof reflection), it is ideal for factories and warehouses.

• Maximum Savings: One single module can produce 2.8-3.5 kWh per day, making it perfect for 5-10kWp systems for large households, offices, and small factories.

• Premium Durability: The Double Glass design of the TCL 620Wp Solar Panel – HSM-GRA-NM620 provides better corrosion and crack resistance than traditional backsheets, withstanding humidity and acid rain effectively.

• Lowest Degradation in Class: At only 0.4% annual degradation after the first year, this module ensures a stable 25-30 year investment return.

• Easy Installation: Standardized dimensions and a reasonable weight allow for fast deployment on various roof types without compromising structural integrity.

3. Why Choose the TCL 620Wp Solar Panel – HSM-GRA-NM620 from Tran Le Electricity?

Tran Le Electricity is more than just a seller; we are a leading TCL Solar distributor in Vietnam, providing reliable turnkey solutions:

• 100% Genuine Products: Full CO/CQ, import documentation, and VAT invoices to avoid low-quality counterfeits.

• Practical Experience: Our engineering team has installed and maintained over 500 rooftop systems since 2020. Choosing the TCL 620Wp Solar Panel – HSM-GRA-NM620 from us means choosing proven expertise.

• Comprehensive Service: Free consultation, on-site surveys, optimized design, EVN-standard construction, and support for net metering procedures.

• Top-Tier After-Sales: On-site warranty, free first-year periodic maintenance, and 24/7 support. We guarantee the performance of every TCL 620Wp Solar Panel – HSM-GRA-NM620 we install.

• Transparent Pricing: Detailed quotes with no hidden fees and banking support with preferential interest rates for solar projects.

4. Frequently Asked Questions (FAQ)

Is this module suitable for the Vietnamese climate? Yes, the TCL 620Wp Solar Panel – HSM-GRA-NM620 is specifically effective on metal roofs (maximizing bifacial gain) and resists heat, humidity, and dust—proven by numerous successful projects in the South.

What is the actual degradation rate? The first year is ≤1%, followed by ≤0.4% annually—significantly lower than conventional P-type or Mono PERC panels.

How many panels are needed for a 5kWp system? Approximately 8-9 units of the TCL 620Wp Solar Panel – HSM-GRA-NM620, depending on the inverter and specific system design optimization.

Conclusion: With its 22.7% efficiency and advanced Shingling technology, the TCL 620Wp Solar Panel – HSM-GRA-NM620 is the ultimate key to slashing your electricity bills and securing a sustainable energy future for your business or family.