What is the warranty period for the solar panels?

The product features a 25-year warranty, with attributes listing a 30-year warranty option.

What is the material and cell type of the solar panel?

The material is Monocrystalline Silicon with 72 cells, available in Mono 156.75mm or 158.75mm cell types.

25 Years Warranty High Efficiency Solar Panels 6bb Solar Panel 400W Solar Panel Supplier

Name: 25 Years Warranty High Efficiency Solar Panels 6bb Solar Panel 400W Solar Panel Supplier
Brand: Nantong Gamko New Energy Co., Ltd.
SKU: 789714602

Jiangsu, ChinaNantong Gamko New Energy Co., Ltd.

US$84.80

10-49 Pieces

US$82.40

50-199 Pieces

US$80.00

200+ Pieces

Sample price:US$84.80/piece.Request sample

Product profile

Customization

Available

Warranty

30 Years

Number of Cells

Model NO.

GKA72M400W

Application

Home, Industrial, Power Station, Factory

Condition

New

Certification

ISO, CE, TUV, FCC, RoHS

Material

Monocrystalline Silicon

Voc

41.5V

Frame

Anodized Aluminium Alloy

Cell Type

Mono 156.75mm/158.75mm

Imp

9.64A

Maximum Series Fuse Rating

20A

Junction Box

IP67 Rated

Weight

21kg

Transport Package

Wooden Pallet Carton Package

Specification

1956*992*35mm

Trademark

Gamko

Origin

China

HS Code

854140

Production Capacity

700MW Annual

Key features

High Efficiency PERC Technology: Conversion efficiency up to 24.67% using Passivated Emitter Rear Contact technology.

6 Busbar Cell Design: Improves efficiency and offers better aesthetic appearance for rooftop installation.

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

PID Resistance: Modules pass PID test with guaranteed limited power degradation for mass production.

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

Durability Certification: High salt mist and ammonia resistance certified by TUV NORD.

Comprehensive Quality Control: Includes 2 EL testing to avoid cell cracking and 2 power flash testing for false welding.

Wide Application Scope: Suitable for Home, Industrial, Power Station, and Factory applications.

Company profile

Nantong Gamko New Energy Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤4.05h

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 flash test reports, series numbers, power rates, voltage, and current for each individual panel. We also offer flash test photos and EL photos to prove they are new panels, not stock or defective ones.

Q:How do you guarantee payment security?

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

Q:How do you comply with warranty terms if products are broken?

For panels bought after October 10, 2018, with barcodes between GK20181010 and GK20191010, we have quality insurance. If our company cannot undertake the claim, the insurance company covers the loss. Otherwise, we provide direct refunds for quality problems.

Q:What is the lead time for orders?

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

Q:What certifications do your solar panels have?

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