20w Solar Panels Manufacturer

We are NEXT-LEVEL 20W solar panels manufacturers. Trust our 10 years of experience in MASSIVE PROJECTS overseas of solar panel products. We solve your supply chain issues like a champ. You focus on winning CUSTOMER’S TRUST. Your business benefits growth and Rep!

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Premium 20w Solar Panels Features

Leeline Energy is your one-stop solution company for solar panels. Our panels feature:

Half-cell module

High-efficiency PERC sells assembly, and half-cell configuration provides high-quality power output. Your customers enjoy LONG-LASTING solar panels with anti-corrosion and anti-aging material. Our 20W solar consists of PV cells, APPEARANCE CONSISTENCY, anti-PID, and color sorting.

Be ready to deliver your customers a consistent power and LONG LASTING solution! More profit and REFERRALS are coming your way!

Efficiency guaranteed

Get high power generation with a HIGH CONVERSION efficiency of up to 22%. Our solar panels provide enhanced cell performance with longer SERVICE LIFE. They have ADVANCED encapsulation material with multi-layered sheet laminations.

Your customers experience HIGH-END PERFORMANCE in low light conditions with bypass diodes. BUILD TRUST and increase your brand approach with a positive reputation!

Multiple production

Our commitment is to offer your customers overpower, surge, and short-circuit PROTECTION. FCC and CE certification ensure compliance with safety and quality standards. Instill your customer’s trust in the products. Our two-year manufacture warranty leaves a POSITIVE IMPACT.

Partner with us to REDUCE RISKS and malfunctioning. Be ready to get customer CONFIDENCE in your business and beat the market!

High-Grade Material

Our panels beat the quality measures With SPECIFICATIONS like a waterproof junction box. Plus, the extension cable and mounting hole make connections a BREEZE. Extended cable length helps customers with their mounted REQUIREMENTS. Heavy-duty frame ENDURES high winds with 2400Pa and snow load up to 5400Pa.

Expect enhanced performance without worrying about the weather conditions in any region. More APPRAISALS are there to positively affect your business status!

Tempered Glass

The tempered glass technology INCREASES the module efficiency by up to 2%. Enhance translucency to normal luminance. BOOST the AC power supply under the light. The anti-reflective glass MINIMIZES the light reflection.

It enables more light absorption and increases overall voltages. Provide your customers with a RELIABLE power source and touch the NEW HEIGHTS of success! 

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Advantages Of The Best 20w Solar Panels Services

Quick Shipping

On-Time Shipment Guarantee

Convenient transportation with various options. Deliver solar panels timely through well-designed logistics to minimize negative customer reviews. Reduce storage, save OPERATING COSTS, and grab more market shares.

Professional Glass Design Solutions

Custom Solar Designs

Get tailored solutions that set businesses apart by meeting individual needs. Provide you with enticing designs with embedded logos and branding. Enhance your business appearance by increasing customer SATISFACTION and LOYALTY.


Necessary certificates

Our solar products fulfill all CRITERIA rules and regulations. They meet the standard accepted ACROSS BORDERS. Sell not only in LOCAL markets but globally. Open the doors of OPPORTUNITIES and show your business EXPOSURE with trustworthy products.



We provide order flexibility without any limitation on ordering size and quantity. Our services are according to your BUDGET and SPECIFICATIONS. Quality, quantity, and features are maintained. Focus on your business SUCCESS without any financial stress!

Automatic Facility

High-tech automation

Special manufacturing processes REDUCE manufacturing time and human errors. We ensure improved quality to AVOID claims and complaints. So join our hands, REDUCING LOSSES and step towards more PROFITS.

Sufficient Inventory

Sufficient Stock

Maintain your inventory according to solar panel DEMANDS with our bulk manufacturing access. Enough CAPACITY to provide you with bulk products. MITIGATE the risks during an emergency. Keep crushing it in the business GAME. BOOST that BRAND STATUS in the supply chain!

A Wide Range of Applications



Bus stop

Bus stop



Household Electricity

Household Electricity



Solar Powered Tables

Solar Powered Tables

20w Solar Panels Production Line

Committing to excellence with premium-grade solar cells. Our solar panels have STURDY metal frames and glass sheets. Expect lightweight solar panels packed with STRICT quality measures. Customers get high-quality products. Close deal with customers with CONFIDENCE.

Product Parameters

odel TypeFY-36-10MFY-36-20MFY-36-30M
Peak Power(Pmax)102030
Maximum Power Voltage(Vmp)18.4718.4618.67
Maximum Power Current(Imp)0.551.091.61
Open Circuit Voltage(Voc)22.6322.6122.87
Short Circuit Current(Isc)
Cells Efficiency(﹪)18.6318.6320.96
Module Efficiency(﹪)11.6612.9915.31
Maximum System Voltage(V)100010001000
Maximum Series Fuse Rating(A)101010
Power Tolerance0~+3﹪0~+3﹪0~+3﹪
Pmax Temperature Coefficients(W/℃)-0.400﹪-0.400﹪-0.400﹪
Voc Temperature Coefficients(V/℃)-0.290﹪-0.290﹪-0.290﹪
Isc Temperature Coefficients(A/℃)+0.048﹪+0.048﹪+0.048﹪
NOCT Nominal Operating Cell Temperature(℃)45±245±245±2
Operating and Storage Temperature(℃)-40~+85-40~+85-40~+85
Standard Test Condition(STC)1.000W/㎡;AM 1.5;25+/-2℃1.000W/㎡;AM 1.5;25+/-2℃1.000W/㎡;AM 1.5;25+/-2℃

Wholesale Solar Excellence! Power up your brand with 20W panels. Elevate your B2B business with sustainable energy solutions. Join us for exclusive wholesale pricing and take your brand to new heights.


With CE, TUV, ETL, SGS, and EMC certifications, we ESTABLISH a quality image of your business in the market. Cash this credibility with us and watch those sky-high profits coming your way!


Factory Audit & Quality Inspection Report

Leeline Energy is all about quality! We adhere to STRICT QUALITY INSPECTION and test our solar panels before delivery. We help to increase your brand image by reducing the risks and disputes. Get more APPRAISALS than ever by PRESERVING your business image for reliability!

Why Choose Us?

leelinesourcing member1

Reliable and Trustworthy

Leeline Energy helps you find PIONEER SUPPLIERS of 20W solar panels. The company established a positive market appearance with ten years of experience. Our more significant number of employees acquires MILESTONE achievements.

We work with hundreds of customers and help them achieve a REPUTABLE POSITION in the market. Be with us to open new doors of SUCCESS!

One-Stop Sourcing Agent

No more headaches to FIND more 20W solar panel suppliers as we offer a one-stop SOLUTION! Our team helps you with product sourcing according to your DEMAND. Say no more to time-consuming product searches and manufacturer EVALUATION!

We are here to provide you with INSIDE-OUT DETAILS about solar panel products. So satisfy your customers with all-in-one-place facilities. You focus on customers and build a positive image of your business.


Reduce Transaction Risk

Reduce Transaction Risk

Risky transactions for 20W solar panels are your concern! Don’t sweat; we’ve got you covered! Enjoy fair and transparent means of transactions. We provide a SAFE sourcing environment to avoid any friction. 

Our experts KEEP TRACKING your deals, forget about the risks, and trust us for each step. Get economic benefits and take a step toward business success!


Completed Projects


Happy Clients


Years of Experience


Professional Staffs

How We Work?

customer first

Dedicated to meeting your power needs, we provide solar panel services through our COMMITMENT. We are all about customer SATISFACTION! Our mission is to provide reliable 20W solar panels according to your demands. Bet on us for QUALITY and on-time fast services!

Collaborate with us for LONGER relationships. BEAT the competition with professionalism!

standardized procedure

Our 20W solar panels follow a strict monitoring process. The team remains PROFESSIONAL at every step to ensure quality, efficiency, and safety! We monitor solar cell manufacturing, module assembly, and quality control. 

Expert-designed STANDARDIZED processing to save sourcing time. Ensure you remain PLEASED and take your business towards more lead generations.

custom solutions

We UNDERSTAND your needs for 20W solar panels and offer customized solutions. Our experts listen, grab, and provide solutions after listening to your REQUIREMENTS. Your customers love the RESULTS of our mounted hardware.

Let’s WIN with a partner who understands your needs! More profits are coming your way!

Our Payment

Feel accessible to transactions with fair means! Make credit cards, PayPal, and bank transfers. SAY GOODBYE to risky methods, and don’t worry about being cheated. Focus on STRENGTHENING your business with low transaction risks!

Western Union

We are global leaders in energy efficiency & sustainable growth.

How We Support You?

How We Support You?
  • Demand Assessment

Our squad provides you with market research and nitty-gritty details about solar panels. FEEL FREE to ask for product specs, quality, and quantity.

We keep THINGS SIMPLE and offer assistance. Enjoy more business GROWTH with us!

  • Supplier Management

Leeline Energy EVALUATES the performance of various solar panel 20 watt suppliers. Our team KEENLY observes the supply chain process to AVOID any risk. Trust our services throughout the process. Build strong customer relationships.

  • Contract Negotiation

We ensure HASSLE-FREE contact! So, leave all paperwork and documentation to us. Our legal experts provide a fair and TRANSPARENT final deal. We handle drafts, negotiation, and review terms.

Remain SATISFIED as your 20W solar panel deals are in SAFE HANDS!

  • Order Management

Our team is always at the other end to cover your orders from start to finish. We ensure order confirmation and monitor 20w solar panels supply chain risks. Plus, tracking the cancellations and challenges.

We monitor quality to meet your standards for a better market approach.

  • Logistics Coordination

We are here to SORT out all of your transportation and warehouse NEEDS. We tackle the things and also help you REDUCE the cost of your 20w solar panels logistic needs. SHIP with GUARANTEED timely delivery with ZERO DAMAGE.

Be ready to get positive reviews! A reliable customer base is waiting for you!

  • Installation Support

Ensuring our presence, we FOLLOW UP on product deliveries. You ask questions about installed solar products. We provide your COMPLETE telephonic guidelines and video tutorials.

Still, to address issues, REMOTE ASSISTANCE will help out! Earn your customer’s TRUST by providing your full support. 


Our Reliable Partners


Our 20w Solar Panels Factory

Operating an advanced facility that manufactures A-grade solar panels. Our 20W solar panels factory puts all its energy into FACILITATING our customers. Shortens the product production time, which leads to high production efficiency. Strengthen your BRAND image in customer’s eyes.


Ignite Growth with 20W Solar Panels! Bulk discounts for B2B brands ready to shine. Switch to sustainable power. lead the way in eco-friendly wholesale solutions.

Packing & Delivery

We deliver wholesale 20W solar panels in STURDY BOXES. They are then shipped through trusted delivery partners like FedEx and DHL. Get on-time deliveries. An optimistic response on your PRODUCTS, leading to enhanced BRAND PERCEPTION. 


Successful Project


Elegant Gardens, Lower Bills: Leeline Energy’s 20W Solar Magic

Albert was one of our customers looking for a compact solution to LIGHT UP his garden. He wants to add aesthetics to his garden without increasing his electricity bill.

His search for a reliable solar system stopped at Leeline Energy. Our ten-year EXPERIENCE and INSTALLATION SERVICES inspired him.

We have identified his needs and recommended a 20W solar system. A solar-powered garden lighting system was INSTALLED using 20W solar panels. We used six 20W panels, a charge controller, and rechargeable batteries.

Various mounting hardware was used to wire the system RELIABLY. Our experts connected them in series with cable mounts. These series of connected panels provide MORE ENERGY with a large surface area.

Our solar panels collect sunlight all day and charge the batteries. The controller REGULATES the power flow to charge the batteries. The garden lights AUTOMATICALLY turn on after sunset.

Our customer was pleased to see ENERGY-EFFICIENT illumination. Our renewable technology LIGHTENED UP pathways, plants, and outdoor spaces.

Leeline Energy helped Albert REDUCE his ELECTRICITY COST. Our specially designed solar products are EFFECTIVE for small and large projects. The panel WORKS GREAT for off-grid projects to meet energy needs in a home setting.

So, our HAPPY CUSTOMERS vouches for our top-notch quality and impressive savings. Your satisfaction is our commitment!

Trust us; your future is in GOOD HANDS. We work to resolve your power issues like pro! So partner with us to ESTABLISH a good reputation!

What our CUSTOMERs say


I found these 20W solar panels perfect to charge up my batteries for my power REQUIREMENTS. I wanted to use the battery to charge my devices with a CONSISTENT power supply. My research stopped at Leeline Energy. They delivered my order according to my requirements. I am DELIGHTED with their services and want to make further deals.

Troy L Unruh

These 20W solar panels are a GAME-CHANGER! They effortlessly charge my batteries. I love the services. The Leeline Energy team is very COOPERATIVE. They gave me proper GUIDELINES for installation. Now, these solar panels keep my battery charged. It ensures an UNINTERRUPTED and sustainable power supply all year round!

Shirley C Ager

Leave us a message and we will get back to you

    Service Interested:


    Hey I’m Sharline, the founder of Leeline Energy. We’d love to connect and discuss next steps towards bringing Solar Products to your project. If you are considering to start or expand your solar business, we would be happy to provide a project estimate and one stop solutions. Please complete the form to get started.  

    Phone / Whatsapp







    Room 2208, Jiuzhoutong Building, Hanyang District, Wuhan City, Hubei Province


    People Also Ask About 20w Solar Panels

    1. What can I run on a 20-watt solar panel?

    20W solar panels are reliable for charging small electronic devices. You can charge your mobiles, tablets, and portable speakers. These solar panels charge your small battery to power LED lights, fans, and other low-power electronic devices.

    2. Does a 20W solar panel need a controller?

    It is crucial to avoid surpassing the maximum charge voltage once the battery is charged. A 20W panel may exceed this limit with a 7AH battery. So, it is best to use a charge controller to increase the lifespan of the battery. A simple charge controller is sufficient for this purpose.

    3. Are two solar panels that are 10W equal to a 20W solar panel?

    Two 10W solar panels won’t generate power equivalent to a 20W panel. A 20W solar panel generates more energy as it has a large surface area. It works more efficiently, outperforming the combined output of two 10W panels.

    4. How can I do if I need more help with the order?

    Our experts ensure their presence for after-sale inquiries. Get answers to your questions through chat or email. We respond to you immediately! For more details, you can send us inquiries. Our experts help you cover the details.

    Speed up the progress of your solar business and make more sales!

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