280w Solar Panels Manufacturer

We are reliable suppliers of CUTTING-EDGE 280W solar panels. Our ten years of experience enable us to resolve your SUPPLY CHAIN issues like a pro! With us, CRUSH the competitive edge at affordable rates! SAVE your energy, time, and funds to GROW your business FASTER.

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Premium 280w Solar Panels Features

We manufacture the best 280W solar panels for customers’ requirements. They have the following features to get you higher business success:

Shingling technology

Every 280W solar panel unit has a black frame to ENHANCE product appeal for customers. Ensure safe usage and preserve product integrity with low-temperature adhesive features. Bonding a high-density layout INCREASES durability and helps to earn the customer’s trust.

Temperature COEFFICIENT feature MAINTAINS functionality at low temperatures. Provide your customers with lightweight products and stand out in this COMPETITIVE market!

High power gains

Max power voltage with lower shadow losses ensures max power current. Appealing design with 18% to 21% POWER CONVERSION efficiency. Offer HIGH SHUNT resistance and open circuit voltage VOC. Bypass diodes and short circuit current ISC minimize power drop due to shade.

A low breakage rate helps to earn the buyer’s trust with fewer warranty claims. Provide enhanced performance and efficiency to your customers. Skyrocket your SALES GRAPH!

Aesthetic design

The aluminum EXTRUSION PROFILE with a black frame looks appealing. Power tolerance materials provide smooth and SUBTLE EDGES. Glass withstands three times the temperature difference of ORDINARY glass. AR coating white backsheet ensures reliable open circuit voltage VOC.

Higher bending and IMPACT-RESISTANCE promise reliability in harsh environments. Your brand gets more word-of-mouth REFERRALS and satisfied customers!

Good weak light performance

High-quality tempered glass of the 280W solar panel provides BETTER LIGHT trapping. MAX power voltage with open-circuit voltage VOC INCREASES the current collection rate. Offer your customers power GENERATION per watt increased by 3.4%.

The power tolerance of 280-watt solar panels makes them excellent for various uses. MORE attractive to buyers looking for high performance. Appeal to more customers and generate HIGHER revenue!

Super safety and reliability

PID resistance through cell performance ENSURES steady energy output. Salt mist, acid, and ammonia-resistant quality prolong the life of 280w solar panels. Enhanced SAFETY PERCEPTION with fire class A certification. MINIMIZE micro-crack and snail trails.

Mechanical performance up to 5400 Pa positive LOAD and 2400 Pa negative load. Don’t worry about wind loads and snow weight! BOOST customer satisfaction, EARN more referrals, and BEAT the market!

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made in china

Advantages Of The Best 280w Solar Panels Services

solar designs

Custom Solar Designs

We offer CUSTOMIZED solutions for your business image. Grab the ATTENTION of your consumers with attractive logos, specs, and more. Establish a positive brand image to get customers’ attention! Be ready to generate positive BUZZ!

Sufficient Inventory

Sufficient Inventory

Ensure your inventory is always well-stocked! With our RELIABLE supply chain and on-time services, MAINTAIN your stock. Bulk manufacturing keeps your project on TRACK. Give your services an edge, and WELCOME increased profits.

quality control

100% product quality assurance

In-depth inspection ensures quality 280w solar panels. We TEST each product for efficiency, reliability, and power output tolerance. It reduces replacement and damage costs. Increased customer satisfaction and PROFIT is coming your way!

customer support

Best After-Sale Service

Get 24/7 customer support regarding installation, operation, and maintenance. Help you to ELIMINATE after-sale disputes and returns. Our team provides INSTALLATION support anytime, anywhere! Customers have fewer concerns. More sales and no arguments.



Order even a single 280w solar panel! Our flexible ordering services help you MAINTAIN your inventory. Don’t worry about the BUDGET and ORDER SIZE. Use your capital for your ESSENTIAL business stuff. It leads you to more business GROWTH.

100% On-time Delivery

On-Time Product Delivery

Enjoy quick delivery services to keep your project STREAMLINED. Leave customs clearance and shipment to us. Earn the customer’s trust. Enjoy repeated buyers and a positive business reputation!  

A Wide Range of Applications





solar farms

Solar Farms







280w Solar Panels Production Line

The 280w solar panels undergo strict quality checks. They include quality control checks, performance assessments, and mechanical load testing. REDUCE malfunctioning and orders DELAYS. With us, INCREASE your success rate and get an excellent brand REPUTATION!

Product Parameters

Max power(Pmax)260265270275280285
Max power voltage(Vmp)30.8031.0031.2031.4031.6031.80
Max power current(Imp)8.448.558.658.768.868.96
Open circuit voltage(Voc)37.8038.1038.3038.5038.7038.90
Short circuit current(Isc)
Module efficiency(%)15.9816.2816.6016.9017.2017.50
Power tolerance0~+5W
Max system voltageDC1000V
Maximum Series Fuse Rating20A
Front glassHigh transparency solar glass 3.2mm (0.13 inches)
FrameSilver, anodized aluminium alloy
Output cablesTUV1×4.0mm2,Length:900mmorCustomizedLength
Junction boxIP67
Cell typePolycrystalline silicon 156.75×156.75mm(6inch)
Number of cells60 cells in series
Warranty10 years of product defects in materials & workmanship
10years for 90% of warranted minimum power output
25 years for 80% of warranted minimum power output

Boost your brand’s bottom line with 280W solar panels. Wholesale success starts here! Harness the power of solar energy for sustainable growth. Click to revolutionize your business strategy now!


Our 280w solar panels have CE, TUV, ETL, and OHSAS1800 certification. These show your reliable approach to the INTERNATIONAL STANDARDS. Earn customer’s trust by branding certified solar products.

Factory Audit & Quality Inspection Report

We offer a thorough INSPECTION of our 280w solar panel factory. Test the equipment, product specs, and features to power tolerance. Ensure top-notch services and quality. Grow your business by MITIGATING the disputes and complaint risks!

Why Choose Us?

Reliable and Trustworthy

Reliable and Trustworthy

We have your DREAM TEAM with ten years of experience in solar power products. Secure thousands of deals and ensure customer satisfaction with their DESIRED OUTCOMES. We optimize the supply chain for all business sizes and assist in 280w solar panel deals.

Increase positive reviews of your brand by offering TRUSTWORTHY deals. Be ready to earn high REVENUE.

One-Stop Sourcing Agent

Don’t waste your PRECIOUS time to source solar panels. Leeline Energy offers a one-stop solution from product sourcing to DOORSTEP deliveries. We have an ENDLESS list of the town’s best 280w solar panels SUPPLIERS.

SAVE your energy and time and enjoy unbeatable success like a PRO! Unlimited DEVELOPMENT is coming your way!

sourcing agent

Reduce Transaction Risk

Reduce Transaction Risk

Time to say goodbye to the RISKY 280w solar panels DEALS. Avoid scams and stress about your FINANCIAL information. We offer to verify sources for QUALITY and QUANTITY. Our team ensures that all your deals REMAIN fair and 100% RISK-FREE.

UNLEASH your professionalism and potential for fair B2B deals. Safe your consumers and businesses from unwanted LOSSES and SCAMMERS!


Completed Projects


Happy Clients


Years of Experience


Professional Staffs

How We Work?

customer first

We provide our customers with VALUABLE services. Let us know about the SPECIFICATIONS! We help you purchase the best solar products according to your NEEDS. Get ready to grab market share and sell what customers love.

Our workmanship EXCEEDS your EXPECTATIONS for purchasing 280w solar panels wholesale. Let’s build your customer trust! Obtain GLEAMING reviews for your brand and services!

standardized procedure

Trust our EXPERTISE to source the best 280-watt solar panels. Our squad HANDLED the entire process with PROFESSIONALISM. No more errors and malfunctioning! A perfect energy solution is there. We offer solar modules of INTERNATIONAL standards.

Increase your brand APPROACH internationally. More 280w solar panel sales, more profits! 

custom solutions

Our workmanship UTILIZES its energy to provide you with a TAILORED 280w solar panel. Listens, grasps, and tackles the things on your demand. They hit the spot and fit the customer’s criteria.

Enjoy a never-ending rush. Just purchase your solar modules. Skyrocket SUCCESS is coming your way!

Our Payment

Say hello to FLEXIBLE payment options with us! Our transactions SUPPORT PayPal, Payoneer, credit cards, bank transfers, and Western Union. Secure payment methods GUARANTEE the protection of your financial information!

Western Union

We are global leaders in energy efficiency & sustainable growth.

How We Support You?

How We Support You?
  • Demand Assessment

Don’t worry about design and quality demands. Our experts offer 280-watt solar panel system recommendations. With us, save your product sourcing BUDGET. Make INFORMED decisions to fill market demands!

  • Supplier Management

Our team helps you to COLLABORATE with the best 280w solar panels manufacturers. We monitor the supplier’s PERFORMANCE and keep you UPDATED about the process.

So, remain relaxed! You are here to find the most SUITABLE energy solution. Only focus on your lead generation and ACHIEVE a positive reputation!

  • Contract Negotiation

No more dodgy contracts. Our experts draft the terms and conditions. We prevent delays and help you close deals on legal grounds.

Save time and focus on GOALS and other details! Only pay ATTENTION to your business success.

  • Order Management

Let us HANDLE your orders from start to finish. From CONFIRMATION to changes and cancellations. Enjoy WORLD-CLASS wholesale 280-watt solar panels with Leeline Energy!

We ensure that we keep things ALIGNED with your project’s order requirements. Be ready to get your customers’ CONFIDENCE by offering them cutting-edge services!

  • Logistics Coordination

Ship orders at light speed. Trust our multiple transportation and warehouse facilities. STOCK your order and keep you HASSLE-FREE. Plus, we offer real-time TRACKING of your order.

With us, enjoy FEWER returns and DAMAGE-FREE deliveries. Take your business to the NEXT LEVEL of success with an immersive strategy!  

  • Installation Support

Installation is effortless with our on-page videos. Our experts are always here to OFFER you phone and remote guidelines.

Ease up your customers by offering them INSTALLATION services! Provide them with the best business experience and RULE the market like a pro!

How We Support You?

Our Reliable Partners


Our 280w Solar Panels Factory

Leeline Energy’s 280w solar panels factory meets larger orders. We help your business COMPLETE a competitive edge, no matter the order size. Our experts SUPERVISE the entire manufacturing process to REDUCE errors and delays. High success rate with quality assurance!


Maximize your brand’s potential with 280W solar panels. Elevate your wholesale business to new heights of efficiency and sustainability. Click to shine brighter!

Packing & Delivery

We use a SPECIAL lightweight wooden pallet for 280w solar panel orders. Get express shipping with secure deliveries. Our 280W panels have high-end workmanship. On-time delivery helps you get positive reviews and RESPOND to market demand faster!


Successful Project

Successful Project

Prolonged Life, Safety, Efficiency: The Power of Leeline’s 280W Panels!    

Leeline Energy provides GAME-CHANGER energy solutions. You will find better services and solar products we offer. Wholesalers and installers, TRUST us for a better reason! We have lightweight solar products for easy installation!

Check this out! One of our customers, Pall, faced CHALLENGES due to RISING energy costs. He sought an efficient, durable, and cost-effective residential energy SOLUTION. So, he contacted our team for assistance.

Our team understood his requirements! We analyzed the dimensions that could suit him best. After deep analysis, we RECOMMEND a 280w residential solar panel. Our 280-watt solar panels were EQUIPPED with PID-resistant technology. They have enough capacity to generate max power current.

We ensure the PROLONG LIFE of solar products with acid and ammonia-resistant QUALITY. Plus, it RESISTS environmental stressors and is a CUSTOMIZED solution to Pall’s concerns. These solar panels generate maximum power current. Meet the client’s open circuit voltage VOC needs.

The Fire A certification increases SAFETY. Specially designed to MINIMIZE microcracks, it promises reliable energy GENERATION. Our experts installed the panels to collect sunlight from various dimensions. Lead to the max power current.

Our panels with salt mist resistant quality optimize their PLACEMENTS for maximum open circuit voltage VOC. Mr. Pall was pleased with the output! The IMPLEMENTATION resulted in a remarkable 50% reduction in bills. He enjoys short circuit current ISC PROTECTION. Plus, it provides a consistent power SUPPLY with a minimal carbon footprint.

Our 280-watt solar panel’s short circuit current ISC exceeds Mr. Pall’s expectations. We deliver EXCEPTIONAL savings and reliability. It was a genuinely WORTHWHILE investment! Our commitment to quality EMPOWERS the homeowner to embrace renewable energy.

What our CUSTOMERs say


Leeline Energy gave me a COMPACT, a lightweight solution for max power voltage. I have INSTALLED their 280-watt solar panel to POWER UP my devices. The max power current was enough to get my job DONE! Short circuit current isc makes me happy. I am PLEASED to have their set up and open circuit voltage VOC. Thanks to their installation SUPPORT!

Carolyn J Chevalier

I am a wholesaler of solar panels and got a project for 280w solar panels. Leeline Energy has got me covered! Their ON-TIME delivery and installation support helped me COMPLETE my project on time. Their experts have a stock of strategies. I am very thankful for their support and SERVICES!

Walter L Shannon

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 280w Solar Panels

    1. Can I find cheap solar panels in China?

    Yes, you can find cheap solar panels in China. Our company can help you with product sourcing according to your demand. We help you find the best and most affordable solar panel options within your budget.

    2. How do you ship the goods and how long does it take to arrive?

    Our team ensures not only quality but also safe loading and unloading. We guarantee on-time deliveries. However, the delivery time may vary according to shipping methods. Our energy storage system may take 5 to 14 days to arrive at your location.

    3. What time of day do solar panels start working?

    It depends on the direction and dimensions of your solar panels and sunlight. Usually, they start working and generate max power voltage after sunrise. They generate power until the sun sets. They take 5 to 6 hours to reach peak power. Again, it depends on the dimensions of your panels.

    4. Can I have a sample order?

    Yes, we offer our customers sample orders. You can check and test our solar products. Contact our team for further details and get your sample order soon. Our manufacturing team also provides services to meet the specifications of your order.

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

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