JUST☀️ Solar Modules
JUST TOPCon 620-640W (182 G10R)
Utility-scale workhorse — TOPCon N-type with 23.81% efficiency, optimal LCOE over 25-year asset life
Flagship TOPCon module for utility and large C&I projects. 144 half-cut G10R 182mm cells with 23.81% efficiency. TOPCon is the fastest-growing commercial technology in 2024–2025; this SKU balances high power density with mature, bankable production.
Power Range
620W – 640W
Max Efficiency
23.81%
Full Specifications
| Technology | N-type TOPCon |
| Model | JST-EAMH-(620-640)W-TD |
| Power Range | 620W – 640W |
| Max Efficiency | 23.81% |
| Annual Degradation | 0.50%/yr |
| Cell Count | 144 (182mm G10R half-cut) |
| Bifaciality | 80% ± 5% |
| Temp Coefficient | -0.30%/°C |
| System Voltage | 1500V DC |
| Product Warranty | 15 years |
| Power Warranty | 30 years linear |
Key Strengths
- ✓Fastest-growing commercial technology (TOPCon) — mature supply chain
- ✓23.81% efficiency — top of 182mm class
- ✓Bankable for project finance — real deployments at 120 MW scale (Vietnam)
- ✓AAA cell-tier quality, 100% EL + flash tested
- ✓Optimal LCOE over 25-year asset life
Technical Datasheet
JUST TOPCon 620-640W (182 G10R) — Datasheet PDF
JST-EAMH-(620-640)W-TD
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Open / Download →
Certifications
IEC 61215IEC 61730TÜV NORDCERoHSISO 9001ISO 14001ISO 45001CQCIntertekBIS (India)UL
Certificate documents available upon request (stamped digital / scanned original).
Best For
Utility-scale (≥10 MW), large C&I, project-finance deals
Trade Terms
- MOQ
- 1 × 40HQ container (≈620 pcs / ≈385 kW)
- Lead Time
- 25–35 days FOB Ningbo
- Get a Formal Quote
B2B solar pricing varies by order size, payment terms, destination, and market week. Submit an RFQ — Frank personally emails a formal Proforma Invoice within 24 hours.
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