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Solar Panel

We supply solar panels for distributors, EPC contractors and commercial PV projects, including monocrystalline, N-type, TOPCon and bifacial module options alongside smaller-format panels. Our product range covers modules for rooftop, ground-mounted and compact solar installations.

Compare rated power, module dimensions, voltage and current, cell technology and construction before choosing a model. For bifacial installations, check mounting clearance and rear-side irradiance. Product-specific datasheets, certifications and warranty terms should be confirmed before ordering.

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Choose the Right Solar Panel Category

Monocrystalline Modules

Rigid monocrystalline modules are used in rooftop and ground-mounted PV systems. Compare available power classes, module size and electrical values to suit the installation.

Explore Monocrystalline Panels →

Mini and Small-Format Panels

Smaller modules suit applications with limited mounting space or lower power requirements. Match operating voltage and connections to the system controller or inverter.

Explore Mini Solar Panels →

N-Type and TOPCon Modules

For N-type and TOPCon modules, compare rated efficiency, temperature coefficients, dimensions and electrical values using the exact model datasheet.

View N-Type Solar Panel 470W →

Bifacial and Dual-Glass Modules

Bifacial performance depends on mounting height, surface reflectivity and rear-side exposure. Check each model's bifacial design, glass construction and installation requirements.

Explore Bifacial Solar Panels →

Solar Panel Specifications to Compare

Selection Factor What to Check Project Impact
Rated Power (Wp) STC Pmax and output tolerance for the exact model Module quantity and total DC array capacity
Voltage and Current Voc, Isc, Vmp, Imp and temperature coefficients String length, MPPT operation and electrical protection
Size and Weight Length, width, thickness, mass and approved mounting positions Available installation area, structural loading and handling
Cell Technology Monocrystalline cell design and N-type or TOPCon designation where applicable Model comparison under the project's temperature and irradiance conditions
Module Construction Glass-backsheet or dual-glass; bifacial rating when stated Mounting design, durability requirements and rear-side energy assumptions
Certification and Warranty Certificate coverage, model identification, warranty conditions and issuer Destination-market documentation and order approval
Packing and Delivery Modules per pallet, shipment quantity, destination and Incoterms Freight planning and delivered cost

Solar Panels for Different Project Applications

Commercial Rooftops

Available roof space, structural load, walkway clearance and panel dimensions affect the usable array capacity. Verify wind and snow loads against the mounting design.

Ground-Mounted PV

Module layout, row spacing and racking design determine installation density. For bifacial systems, assess ground reflectivity and rear-side shading when estimating yield.

Wholesale and Distribution

Define the preferred wattage range, target market, order mix and pallet requirements. Match model codes and documentation to the products quoted for resale.

Compact Solar Systems

Small PV installations may need specific module footprints, charge-controller input ranges and cable or connector configurations. Choose from the smaller-format product range accordingly.

Datasheets, Certifications and Warranty

Before approving a solar module for a project or wholesale order, confirm its model code, current electrical datasheet, applicable certification documents and warranty conditions. A certificate or warranty covering one product series may not cover another.

  • Match module dimensions, mounting instructions and connector details to the installation.
  • Confirm that the documents cover the quoted model and destination market.
  • Agree on packaging, order quantity, delivery terms and the responsible warranty issuer.
View Solar Panel Datasheets → View Solar Panel Certificates →

Solar Panel Purchasing FAQs

  • How do I select the right solar panel wattage?

    Start with the planned DC capacity and available installation area. Compare module dimensions and power, then check the array's voltage and current against the inverter input limits.

  • Are all N-type solar panels bifacial?

    No. N-type refers to the solar cell semiconductor, while bifacial describes a module that collects light from both sides. Check the construction and bifacial rating of the selected model.

  • What information is needed to check inverter compatibility?

    Provide the inverter model, maximum DC voltage, MPPT range, input current limits and planned string layout. We also need the module's Voc, Isc, Vmp, Imp and temperature coefficients.

  • Does one certificate cover every solar panel model?

    No. Coverage depends on the certificate holder and the models or series listed. Verify the document for the exact module and the destination market before purchase.

  • What should I include in a wholesale solar panel RFQ?

    Send the module type or power range, quantity, delivery destination, certification needs and packaging preferences. Include your project specifications if you need a model recommendation.

  • Do all solar panels have the same product and performance warranty?

    No. Warranty periods, performance schedules, exclusions and the responsible issuer vary by brand and model. Check the warranty document for the products on your quotation.

Request a Solar Panel Recommendation & Quote

Send us your preferred module type or wattage, project capacity, order quantity, destination country, and any certification, packing or delivery requirements. We will discuss suitable solar modules, availability and quotation details.

 

Xiamen D.T. Multi Tech Co., Ltd. is one of the most professional solar panel manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to wholesale cheap solar panel from our factory.