320W Solar Panel with All Black Roof Mounted PV System
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Product Highlights
- High Efficiency PERC Technology: Up to 17.98% conversion efficiency using Passivated Emitter Rear Contact technology.
- 5 Busbar Cell Design: Improves module efficiency and offers better aesthetic appearance for rooftop installation.
- Severe Weather Resilience: Certified to withstand wind load of 2400 Pascal and snow load of 5400 Pascal.
- Low-Light Performance: Advanced glass and cell surface textured design ensure excellent performance in low-light environments.
- 30-Year Linear Power Warranty: 12 years at 90% output and 30 years at 83.1% of nominal power output.
- Comprehensive Certifications: Includes IEC, CE, CQC, ETL, JET, and ISO standards for global compliance.
- Customized Cable Length: Cable length can be customized to meet specific installation requirements.
- 24/7 Technical Support: 24-hour hotline available for consultancy and technical support.
Product Attributes
- Customization
- Available
- After-sales Service
- Yes
- Warranty
- 12 Years
- Model NO.
- GKA60P 320W
- Number of Cells
- 60
- Application
- Light Industry,Agriculture,Industrial
- Condition
- New
- Certification
- EST, ISO, CB, CE
- Material
- Polycrystalline Silicon
- Cell Type
- Poly-Crystalline
- No.of Cells
- 60 (6 X 10)
- Dimensions
- 1640 X 992 X 35mm
- Weight
- 19.0 Kg
- Frame
- Anodized Aluminium Alloy
- Junction Box
- IP67 Rated
- Open Circuit Voltage(Voc)
- 39.4V
- Short Circuit Current(Isc)
- 9.62A
- Voltage at Nominal Power(Pmax)
- 32.2V
- Current at Nominal Power(Vmp)
- 9.16A
- Transport Package
- Wooden Pallet Carton Package
- Specification
- 1670*1125*1130mm
- Trademark
- Gamko
- Origin
- China
- HS Code
- 854140
- Production Capacity
- 700MW Annual
- Package Size
- 1670.00cm * 1022.00cm * 65.00cm
- Package Gross Weight
- 21.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
KEY FEATURES
| Electrical Charateristics at stc | ||||||||
| Nominal Power(pmax) | 265W | 270W | 275W | 280W | 285W | 290W | 295W | 300W |
| Open Circuit Voltage(Voc) | 38.3V | 38.4V | 38.5V | 38.6V | 38.7V | 39.2V | 39.4V | 39.6V |
| Short Circuit Current(Isc) | 8.98A | 9.09A | 9.20A | 9.31A | 9.42A | 9.54A | 9.62A | 9.70A |
| 37.2Voltage at Nominal Power(Vmp) | 30.9V | 31.1A | 31.3A | 31.5A | 31.7A | 32.0V | 32.2A | 32.4V |
| Current at Nominal Power(Imp) | 8.58A | 8.69A | 8.79A | 8.89A | 9.00A | 9.06A | 9.16A | 9.26A |
| Module Efficiency(%) | 16.29% | 16.60% | 16.90% | 17.21% | 17.52% | 17.38% | 17.68% | 17.98% |
| Operating Temperature | -40ºC TO +85ºC | |||||||
| Maximum System Voltage | 1000VDC(IEC) | |||||||
| Fire Resistance Rating | Type 1(in accordance with 1703)/Classs C(IEC61730) | |||||||
| Maximum Series Fuse Rating | 20A | |||||||
| MECHANICAL CHARACTERISTICS | |
| Monocrystalline PERC Cell type | Ploy PERC 156.75x156.75mm/158.75x158.75mm |
| Number of cells | 60 (6x10) |
| Module dimensions | 1640x992x35mm/1665x1002x35mm |
| Weight | 21kg/23kg |
| Front cover | 3.2mm,Anti-Reflection Coating,Tempered Glass |
| Frame | Anodized aluminum alloy |
| Junction box | IP67 Rated |
| Cable | TUV 1x4.0mm2,Length:900mm or Customized Length |
| Connector | PV or PV compatible |
| TEMPERATURE CHARACTERISTICS | |
| Nominal Operating Cell Temperature (NOCT) | 45°C±2°C |
| Temperature Coefficients of Pmax | -0.38%/°C |
| Temperature Coefficients of VOC | -0.31%/°C |
| Temperature Coefficients of ISC | 0.06%/°C |
| Conatiner(60 cells) | 20GP | 40GP | 40HQ |
| Pcs/Pallet | 31 | 31 | 31 |
| Pcs/Container | 400 | 840 | 924 |
LINEAR PERFORMANCE WARRANTY
1. 30 years limited product warranty.
2. Limited linear power warranty: 12 years 90% of the nominal power output,
30 years 83.1% of the nominal power output.
CERTIFICATIONS
1.IEC61215, IEC61730, IEC62716, IEC61701, CE, CQC, CGC, ETL(USA),
JET(Japan), J-PEC(Japan), Kemco(South Korea), KS(South Korea), MCS(UK),
CEC(Australia), FSEC(FL-USA), CSI Eligible(CA-USA), Israel Electric(Israel),
InMetro(Brazil), TSE(Turkey)
2. ISO9001:2008: Quality management system
3. ISO14001:2004: Environmental management system
4. OHSAS18001:2007: Occupational health and safety management system
Our strength guarantees quality and quantity
http://gamko-solarpanel.en.made-in-china.com
Precision Machining
Strict and testing
Warehouse
Certification

Our Services:
- OEM Welcomed
- Warranty: 30 Years
- Certifications can be supported
- Sample for testing is supported
- After-Sale Service: 24 Hour-Hot Line for Consultancy and Technical Support
Q1:We like to buy your panels, cause the price is good, but the price is not most important, I don't like to buy the trash, how do I know your solar panel have a good quality, everybody say they are A grade panels, how I can trust you?
A:Firstly, we make new panels not stock panel, we will providing the flash test report,Series number, Power rates , voltage, current all mentioned on the flash test report for individual solar panel, The stock panel have no any database. You don't know if they are defective or broken panels. But its not enough. Please ask Gamko provide the flash test photo and EL photo for each panel.
Q2:I am also worry about my payment safe, How can you guarantee me 100% payment security?
A:if you do worry about the payment safety so either I, lets do "****** Trade Assurance Payment" for both safety.Q3:How To Ask for Support if product failure in warranty?
A:1. Email us about the PI number, serial number, product S/N number, PCB board number most importantly, is the description of failure products on the condition that it is operated correctly, to the best, show us more detailed pictures or video.
2. We will submit your case to our after-sales department to satisfy your demand. However, we believe our quality, and I believe if any quality problem, you can get the refund from our company directly
3. Usually, within 24 hours, we will email you the best solutions.
About the Supplier
Company Profile
Gamko Energy, Solar panel manufacturer. Produce 5W-800W mono and poly solar panel, flexible solar panel, bi-facial solar panels.
As a professional solar module manufacturer, Gamko with 8 years experience in production and quality control since 2017.
Gamko also a provider of technical services for solar power plant (on-grid and off-grid), including technical design, transport, installation and maintenance.
In 2023, Gamko annual capacity 1.2GW.
Gamko modules have been certified by CE-EMC, CE-LVD, INMETRO, RoHS, JPEA, FCC, IEC61215, IEC61730, IEC62321, IEC61000, ISO9001, ISO14001, German EPR, France EPR.
KEY FEATURES OF GAMKO SOLAR PANEL:
1, High performance in Low light condition, stable output from 6am until 6pm. High voltage.
2, High efficiency, solar module up to 23% efficiency.
3, Top-corn and Perc technology.
4, Three steps quality control of EL testing, Flash testing. Automatic production line to avoid hidden cracks.
5, Warranty cover all the solar panel 30 years.
If you need the best price, the best quality, the most secure payment method, GAMKO is your best choice.
About Our Factory & Business Background
- Address
- 10 #-B-1f, No. 606, Kaifa Avenue, Dagong Sci&Tech Industrial Park, Haian County, Prc, Nantong, Jiangsu, China
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Main Markets
- Africa, Eastern Asia, Western Europe, Mid East, Eastern Europe
FAQ
- How can I trust the quality of your solar panels?
- We provide new panels with flash test reports, series numbers, power rates, voltage, and current for each panel. We also offer flash test photos and EL photos for verification.
- How can you guarantee payment security?
- We recommend using ****** Trade Assurance Payment to ensure 100% payment safety for both parties.
- How to ask for support if product failure in warranty?
- Email us with the PI number, serial number, product S/N, PCB board number, and detailed description or photos/videos of the failure. We will submit your case to our after-sales department and provide solutions within 24 hours.
- What is the delivery time?
- Delivery time is 15 working days after receiving payment for one container.
- Do you support OEM services?
- Yes, OEM services are welcomed.
- Is sample testing supported?
- Yes, samples for testing are supported.
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