320-340W Bifacial Dual Glass 9BB Half-Cut Mono Perc Solar Panels
- Category: OEM Solar Panels
- Features
Product Description
320-340W Bifacial Dual Glass 9BB Half-Cut Mono Perc Solar Panels
This 320‑340W bifacial dual‑glass solar panel adopts 9BB half‑cut mono PERC technology with 120 pieces of 158.75 mm monocrystalline cells. It achieves a maximum module efficiency up to 19.72% under STC condition, with 0~+3% positive power tolerance. Thanks to bifacial design, rear‑side power gain can reach 5‑25% to boost total energy output, and rear‑side output ratio ranges from 60%‑80%. Built with double tempered glass and anodized aluminum frame, this module delivers outstanding durability for residential, commercial and ground‑mount PV projects, and supports OEM customization.
KEY FEATURES
9BB Half‑Cut Mono PERC Cell: Reduces internal resistance and shading loss, improves power generation stability
Bifacial Dual‑Glass Structure: 2.0 mm AR‑coated front glass + heat‑strengthened back glass; captures reflected light from rear side for extra 5‑25% power gain
High Performance: Power range 320‑340 W, max efficiency 19.72%, positive power tolerance 0~+3%
Reliable Mechanical & Electrical Performance: 5400 Pa static load, IP68 junction box, MC4‑compatible connectors, max system voltage 1500 V DC, max series fuse 20 A
Wide operating temperature: Works stably from ‑40 °C to +85 °C; low temperature coefficient of Pmax at ‑0.35%/°C, NMOT 41±3 °C
Flexible Application & OEM Support: Fits rooftop, ground‑mount solar systems; available for OEM service, standard packing: 32 pcs per carton, 832 pcs per 40HQ container
Performance at STC (Power Tolerance 0 ~ +3%)
Maximum Power (Pmax/W) | 320 | 325 | 330 | 335 | 340 |
|---|---|---|---|---|---|
Operating Voltage (Vmpp/V) | 33.2 | 33.5 | 33.8 | 34.1 | 34.4 |
Operating Current (Impp/A) | 9.64 | 9.71 | 9.77 | 9.83 | 9.89 |
Open-Circuit Voltage (Voc/V) | 40.2 | 40.4 | 40.6 | 40.8 | 41.0 |
Short-Circuit Current (Isc/A) | 10.2 | 10.25 | 10.30 | 10.35 | 10.40 |
Module Efficiency ηm(%) | 18.56 | 18.85 | 19.14 | 19.43 | 19.72 |
Performance at NMOT
Maximum Power (Pmax/W) | 242.1 | 245.6 | 249.3 | 252.9 | 256.7 |
|---|---|---|---|---|---|
Operating Voltage (Vmpp/V) | 31.3 | 31.6 | 31.9 | 32.2 | 32.5 |
Operating Current (Impp/A) | 7.73 | 7.77 | 7.80 | 7.85 | 7.90 |
Open-Circuit Voltage (Voc/V) | 38.0 | 38.2 | 38.4 | 38.5 | 38.7 |
Short-Circuit Current (Isc/A) | 8.21 | 8.25 | 8.29 | 8.33 | 8.37 |
Electrical characteristics with different rear side power gain (refer to 340W front)
Pmax gain | Pmax/W | Vmpp/V | Impp/A | Voc/V | Isc/A |
|---|---|---|---|---|---|
| 5% | 357 | 34.4 | 10.38 | 41 | 10.92 |
| 10% | 374 | 34.4 | 10.88 | 41 | 11.44 |
| 15% | 391 | 34.4 | 11.37 | 41 | 11.96 |
| 20% | 411 | 34.6 | 11.87 | 41.2 | 12.48 |
| 25% | 428 | 34.6 | 12.36 | 41.2 | 13.00 |
MECHANICAL SPECIFICATION
Cell Type | Mono-Crystalline Silicon (9Busbar) |
|---|---|
Cell Dimensions | 158.75*158.75mm |
Cell Arrangement | 120 (6*20) |
Weight | 23kg (50.71lbs.) |
Module Dimensions | 1705*1011*30mm (67.13*39.8*1.18inches) |
Cable Length (Portrait) | (+)300mm (11.81inches) / (-)300mm (11.81inches) |
Cable Cross Section Size | 4mm2 (0.006inches2 ) |
Front Glass | 2.0mm (0.08inches) AR Coated Strengthened Glass |
Back Glass | 2.0mm (0.08inches) Heat Strengthened Glass (White Grid Glass) |
No. of Bypass Diodes | 3/6 |
Packing Configuration | 32pcs/carton, 832pcs/40hq |
Frame | Anodized Aluminium Alloy |
Junction Box | IP68 |
OPERATING CONDITIONS
Maximun System Voltage | 1500V/DC(IEC) |
|---|---|
Operating Temperature | -40°C ~ +85°C |
Maximun Series Fuse | 20A |
Static Loading | 5400pa |
Conductivity at Ground | ≤0.1Ω |
Safety Class | II |
Resistance | ≥100MΩ |
Connector | MC4 Compatible |
Backside Output Ratio* | 60% - 80% |
TEMPERATURE COEFFICIENT
Temperature Coefficient Pmax | -0.35%/°C |
|---|---|
Temperature Coefficient Voc | -0.25%/°C |
Temperature Coefficient Isc | +0.04%/°C |
NMOT | 41±3°C |
