What is the warranty period for the solar panels?

We provide a 30-year warranty for our solar panels.

What is the after-sales service like?

We offer a 24-hour hotline for consultancy and technical support.

Factory Direct 50W Mini Mono Solar Panel Solar System 30W 40W 60W

Name: Factory Direct 50W Mini Mono Solar Panel Solar System 30W 40W 60W
Brand: Nantong Gamko New Energy Co., Ltd.
SKU: 1934466292

Jiangsu, ChinaNantong Gamko New Energy Co., Ltd.

US$8.00

126-1,259 Pieces

US$7.00

1,260-2,259 Pieces

US$6.00

2,260+ Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

30years

Model NO.

GKA157M36S

Number of Cells

36(9X4)

Application

Household, Industial, Agriculture

Condition

New

Certification

ISO, CE, FCC, TUV, RoHS

Material

Monocrystalline Silicon

Open Circuit Voltage

21.66V

Voltage at Nominal Power(Vmp)

2.91V

Current at Nominal Power(Imp)

2.77A

Maximum Series Fuse Rating

18.05A

Cell Size

39.25X157mm

Frame

Anodized Aluminum Alloy

Junction Box

IP67 Rated

Connector

Mc4 or Mc4 Compatible

Controller Type

MPPT

Transport Package

Wooden Pallet Carton Package

Specification

670*400*25mm

Trademark

Gamko

Origin

China

HS Code

8541430000

Production Capacity

700MW Annual

Key features

30-Year Warranty: Comprehensive 30-year warranty coverage for long-term reliability and peace of mind.

5 Busbar Technology: Advanced 5BB solar cells improve efficiency and offer a superior aesthetic appearance.

Severe Weather Resilience: Withstands wind load of 2400 Pascal and snow load of 5400 Pascal.

PID Resistance: Passes PID tests to guarantee limited power degradation in mass production.

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

Environmental Durability: High salt mist and ammonia resistance certified by TUV NORD for extreme conditions.

Strict Quality Control: Includes 2 EL testing and 2 Power flash testing to avoid defects and false welding.

Fast Delivery: Delivery time is 15 working days after receiving payment for one container.

Company profile

Nantong Gamko New Energy Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤4.91h

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 panel. We also offer flash test photos and EL photos to prove quality, unlike stock panels which lack database records.

Q:How is payment security guaranteed?

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

Q:How to ask for support if the product fails in warranty?

Email us with the PI number, serial number, product S/N, PCB board number, and detailed pictures or video of the failure. Our after-sales department will submit your case, and we usually provide the best solutions within 24 hours.

Q:What certifications do your solar panels have?

Our solar panels are certified by ISO, CE, FCC, TUV, and RoHS.

Q:What is the delivery time for an order?

The delivery time is 15 working days after receiving payment for one container, both during peak and off-season.