Secondary line: Flat, large roofs, ground
LONGi Hi-MO 7
LR8-66HGD 595~625M
When it fits
- Bifacial: The rear side collects reflected light, bifaciality 80±5%.
- Suited to flat roofs with raised frames and ground projects.
- Dual glass 2.0 + 2.0 mm.
- 12-year product warranty, 30-year power warranty.
Warranty
Panel warranties are provided by LONGi under the manufacturer's terms. Installation warranty is provided by TTK as stated in the contract.
The PDF datasheet is sent with the quotation.
Key specifications
| Model | LR8-66HGD 595~625M |
|---|---|
| Power range | 595–625 W |
| Technology | HPDC, bifacial (80±5%) |
| Max efficiency | 23.10% |
| Weight | 33.5 kg |
| Dimensions | 2382 × 1134 × 30 mm |
| Power density | ≈ 0.231 kWp/m² (625 W) |
| First-year degradation | 1.0% |
| Degradation years 2–30 | 0.40% |
| Pmax temperature coefficient | -0.28%/°C |
| Product warranty | 12 years |
| Power warranty | 30 years |
| Static load front / rear | 5400 / 2400 Pa |
| Voc (top power class) | 48.98 V |
| Isc (top power class) | 16.10 A |
| Max system voltage | DC1500V (IEC/UL) |
| Datasheet version | 20240705V03 · Updated 2026-10-28 |
Product names and specifications belong to the manufacturer. TTK is not a dealer directly authorised by LONGi; goods are supplied through a distributor, with a contract and serial numbers for each lot.