JUSTSOLAR vs Trina Solar
Honest B2B Module Comparison (2026)
Trina's Vertex N series is a respected Tier-1 product. Here's how JUSTSOLAR compares on spec, pricing, and delivery — from one manufacturer to another.
Full Side-by-Side Comparison
| Specification | JUSTSOLAR | Trina Solar |
|---|---|---|
| Manufacturing | Own 2GW factory in China + Macedonia | Multi-GW factories in China, Vietnam, USA |
| Flagship TOPCon Efficiency | 22.6% (600W) | 22.5% (Vertex N 700W) |
| High-Wattage Option | 730W HJT bifacial | 700W TOPCon bifacial (Vertex N) |
| Temperature Coefficient | -0.29%/°C (TOPCon) / -0.24%/°C (HJT) | -0.30%/°C (Vertex N Pmax) |
| Bifaciality Factor | 80% (TOPCon) / 85% (HJT) | 80% (Vertex N bifacial) |
| Year 25 Output Guarantee | ≥87.4% linear | ≥87.4% linear (Vertex N) |
| Pricing ($/W, FOB) | $0.10-0.13/W (factory-direct) | $0.12-0.16/W (Tier-1 premium) |
| Minimum Order Quantity | 1 container (720 pcs 600W) | 1-5 containers via distributors |
| Payment Terms Flexibility | 30% deposit + 70% against B/L, flexible | Standard 30%+70% pre-shipment |
| Lead Time (stock items) | 1-2 weeks | 3-6 weeks (dealer network) |
| Director Access | Yes — Frank on WhatsApp (<30 min) | Distributor → rep → factory chain |
| Third-Party Inspection | Welcome any time | Welcome (Tier-1 scale) |
| US Market Compliance | SE Asia origin modules available | US factory (for domestic content) |
| EU CBAM Compliance | Macedonia factory (EU origin) | Pending CBAM strategy |
Trina data compiled from public Vertex N datasheets. Spec ranges approximate.
Common Questions
Is the cell technology equivalent?▼
Yes — both use N-type TOPCon wafers with similar cell efficiency. Trina's Vertex N and our 600W modules deliver 22.5-22.6% module efficiency. Certifications (IEC 61215, 61730, UL 61730) match.
Why the price difference?▼
Trina's pricing includes brand premium, global marketing budget, and distributor margins. JUSTSOLAR sells factory-direct: no dealer stack, no wholesaler margin. For bankability-required projects, Trina may still be the right pick — for everyone else, we're 10-15% better on $/W.
Do you offer warranty service in my region?▼
Our warranty is backed by JUST SOLAR GROUP LIMITED and covers product + linear performance for 25+30 years globally. We work with local service partners in 50+ countries. For claims, you contact Frank directly and we handle it — no distributor runaround.
Test the Price Difference
Send your Trina quote. We'll price-match or beat on comparable specs, FOB or CIF.
Price-Match on WhatsAppAlso compare: vs LONGi · vs Jinko · vs JA Solar