What is the warranty period for the solar panels?

We provide a 30-year warranty coverage for all our solar modules.

What is the nominal power of the solar panel?

The nominal power is 420W with a voltage at nominal power of 41.48V and current of 10.12A.

Gamko High Efficiency 420W Solar Panel with Solar Inverter 5W-850W

Name: Gamko High Efficiency 420W Solar Panel with Solar Inverter 5W-850W
Brand: Nantong Gamko New Energy Co., Ltd.
SKU: 779505112

Jiangsu, ChinaNantong Gamko New Energy Co., Ltd.

US$0.08

4,200-41,999 Watt

US$0.07

42,000-167,999 Watt

US$0.06

168,000-4,199,999 Watt

US$0.05

4,200,000+ Watt

Sample price:US$180.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

30years

Model NO.

GKA72M-166 420W

Number of Cells

72pcs

Application

Household, Industial, Agriculture

Condition

New

Certification

CE, FCC, TUV, RoHS

Material

Monocrystalline Silicon

Weight

25kg

Nominal Power

420W

Voltage at Nominal Power(Vmp)

41.48V

Current at Nominal Power(Imp)

10.12A

Transport Package

by Carton & Pallet

Specification

2070*1052*35mm

Trademark

Gamko

Origin

China

HS Code

854140

Production Capacity

700MW Annual

Key features

High Conversion Efficiency: Up to 24.67% efficiency using PERC technology and 6 busbar design.

30-Year Warranty Coverage: Comprehensive 30-year warranty with Zurich Quality Insurance protection.

Severe Weather Resilience: Certified to withstand 2400Pa wind load and 5400Pa snow load.

PID Resistance Technology: Passes PID test with guaranteed limited power degradation for mass production.

Low-Light Performance: Advanced glass and surface texturing ensure excellent performance in low light.

Premium Material Components: Uses Jinko, GCL, Tongwei, Longi cells and AVIC Sanxin tempered glass.

Strict Quality Control: Includes 2 EL testing and 2 power flash testing to avoid defects.

Salt and Ammonia Resistance: Certified by TUV NORD for durability against extreme environmental conditions.

Company profile

Nantong Gamko New Energy Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤4.69h

About Our Factory & Business Background

Address10 #-B-1f, No. 606, Kaifa Avenue, Dagong Sci&Tech Industrial Park, Haian County, Prc, Nantong, Jiangsu, China

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsSolar Panel, Solar System, Solar Inverter, Cable, Solar Bracket, Solar Air Condition, Solar Controller, PV Connector, Solar Refrigerator, Solar Battery

Our Industry Experience & Global Business Record

Main MarketsAfrica, Eastern Asia, Western Europe, Mid East, Eastern Europe

Product Q&A

Q:How can I trust the quality of your solar panels?

We provide new panels with flash test reports, series numbers, and power rates for each unit. We also offer flash test photos and EL photos for every panel to ensure they are not defective or broken.

Q:How do you guarantee payment security?

We recommend using Alibaba Trade Assurance Payment to ensure 100% safety for both parties during the transaction.

Q:How do you handle warranty claims for broken or defective products?

For panels purchased after October 10, 2018, with barcodes between GK20181010 and GK20191010, we have Zurich Quality Insurance coverage. If our company cannot undertake the loss, the insurance company will cover it. Otherwise, we provide direct refunds for quality issues.

Q:What is the lead time for orders?

The lead time is within 15 workdays during both peak season and off-season.

Q:What certifications do your solar panels have?

Our products are certified with CE, FCC, TUV, and RoHS standards.