| After-sales Service: | A Grade After Service |
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| Warranty: | 10 Years |
| Number of Cells: | 157*157mm 5bb |
| Samples: |
A Grade High Efficiency
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier Solar Panel Material 18.8% Eff. 5bb 157*157mm Poly Solar Cell
Our company has developed into one of the main suppliers of Solar Street Light, LED Lamp Head, Solar Power Cabinet, accessories and systems,LED Street lights and Solar Power System.
Solar module is an important part of solar power system, high quality solar cell module can ensure 25 years of continuous, stable power output.
Our cells provide a strong guarantee for the stability of solar modules, more stable, longer lasting, maintenance-free.
Poly solar cell is cost saving comapring with mono solar cell,the cheapest solar pv cell at the moment.
18.0-19.2% eff is available for different power for solar panel.
Dimensions:
| Name | Poly Solar Cells | |
| Dimensions | 157±0.25mm | |
| Thickness | 200um±20um | |
| FRONT SIDE | 0.70mm bus bars(silver) , blue anti-reflecting coating(silicon nitride) | |
| BACK SIDE | 1.30mm/1.80mm wide soldering pads(silver), back surface field(aluminum) | |
| MODEL EFF(%) |
Power Pmpp(W) | Max.Power Current Impp(A) | Short Circuit Current Isc(A) | Max.Power Voltage Vmpp(V) | Open Circuit Voltage Voc(V) |
| >19.2 | 4.74 | 8.68 | 9.187 | 0.5451 | 0.6415 |
| 19.1~19.2 | 4.70 | 8.65 | 9.156 | 0.544 | 0.6401 |
| 19.0~19.1 | 4.68 | 8.62 | 9.124 | 0.5429 | 0.6387 |
| 18.9~19.0 | 4.65 | 8.598 | 9.099 | 0.5415 | 0.6373 |
| 18.8~18.9 | 4.63 | 8.574 | 9.074 | 0.5403 | 0.636 |
| 18.7~18.8 | 4.60 | 8.522 | 9.043 | 0.5392 | 0.6346 |
| 18.6~18.7 | 4.58 | 8.496 | 9.017 | 0.5381 | 0.6333 |
| 18.5~18.6 | 4.56 | 8.455 | 8.988 | 0.5369 | 0.6317 |
| 18.4~18.5 | 4.53 | 8.36 | 8.954 | 0.5365 | 0.6306 |
| 18.2~18.4 | 4.48 | 8.385 | 9.065 | 0.5389 | 0.6349 |
| 18.0~18.2 | 4.48 | 8.359 | 8.872 | 0.5362 | 0.6304 |
| STC::1000W/m2,AM1.5,25ºC | |||||
---The average front conversion efficiency is above 19.10%.
1.Q: Are you a factory or a trading company?
A: We are a manufacturer. Welcome OEM and ODM for you.
2. Can we have a sample order?
A: Of course! Any sample order is welcome for testing and checking.
3.What is the warranty for the products?
A: Battery:3 years. Controller/LED:5 years. Pole/solar panels:15-20 years
4.How to ship the goods?
A: By sea usually. If urgent requirement, air-shipping is available(except:Batteries)
5. How to deal with the fault?
A: If the problem caused by manufacturing quality, we will change and replace it in free.
Suppliers with verified business licenses
Audited Supplier 
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