Import 250w Solar Panel — Buy in Bulk from Supplier in China

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250w solar panel by Helios Photovoltaic Co.,Ltd
Harbor
250w solar panel - Image 1

250w solar panel

🕐Last updated: Jun 26, 2026
Contact/ Unit
Min. Order: 1 Unit
📁CategoryProducts
💳Payment TermsT/T · L/C · D/P
Escrow Payment Available on EximNext
Pay your way — T/T, L/C, or opt for Escrow for full protection. Your deal, your choice.
Buy & Import 250w solar panel from Helios Photovoltaic Co.,Ltd - Wholesale Supply

Helios Photovoltaic Co.,Ltd supplies a 250 W monocrystalline solar panel built around 156 mm x 156 mm silicon cells. The module is rated for 250 W peak power output, positioning it for small-to-medium residential rooftops and commercial installations where roof space is constrained but energy yield must remain predictable. The panel uses a robust frame and tempered glass front sheet, standard for this class of module, to protect cells against mechanical load and environmental exposure.

The 156 mm x 156 mm monocrystalline cell format is an industry-standard size that balances manufacturing efficiency with module-level voltage and current characteristics. Cell efficiency in this form factor typically ranges from 18-20% for commercial-grade modules, though buyers should request the specific cell efficiency and temperature coefficient (Pmax) from Helios Photovoltaic to model annual energy yield accurately. The aluminium alloy frame and anodised finish are typical for corrosion resistance in humid or saline atmospheres, and the junction box carries an IP rating that should be confirmed with the supplier for particular site conditions.

Target buyers include solar EPCs, residential installers, and off-grid project developers sourcing 60-cell or equivalent modules in container quantities. Applications extend to rooftop arrays, ground-mounted distributed generation, and battery-coupled installations. Packaging and pallet configuration, along with exact MOQ and Incoterms, are not stated in the listing and must be confirmed directly with Helios Photovoltaic. Buyers should also verify whether the IEC 61215 and IEC 61730 test reports, or equivalent UL listings, are available for the specific model before finalising import documentation.

Technical Specifications for Helios Photovoltaic Co.,Ltd 250w solar panel
Peak Power Output (Pmax)250 W (source data)
Cell Type and DimensionsMonocrystalline silicon, 156 mm x 156 mm (source data)
Module EfficiencyTypical 18-20% for this cell format; confirm with supplier
Temperature Coefficient (Pmax)Typical -0.35% to -0.45% per degree Celsius; request exact value from supplier
Front CoverTempered solar glass, typical 3.2 mm thickness; standard for 250 W class
Frame MaterialAnodised aluminium alloy, typical silver or black finish
Junction Box ProtectionIP65 typical; confirm IP rating with supplier
Maximum System Voltage1000 V DC typical for this power class; verify with supplier
Operating Temperature RangeTypical -40 degrees Celsius to +85 degrees Celsius per IEC standards
Certification StatusIEC 61215 / IEC 61730 or UL equivalent; confirm test reports with supplier
About Helios Photovoltaic Co.,Ltd - Solar Panel Supplier in China
🏭
Helios Photovoltaic Co.,Ltd
China Harbor
3.5(59)

Helios Photovoltaic Co.,Ltd is headquartered at No.86 Wujing Road, Changzhou 213161, Jiangsu Province, China, placing it within the Yangtze River Delta solar manufacturing cluster. The supplier carries an imported tier designation and a harbor trust tier on the platform. The response rate is recorded at 0.00% with an average response time of 0 hours, which indicates that inquiry response behaviour has not yet been established or documented. Buyers should initiate direct contact to assess communication reliability and technical support capability before committing to volume orders.

The listing presents Helios Photovoltaic as a source of 250 W monocrystalline modules with emphasis on cell size, weather resistance, and installation compatibility. No factory audit data, annual capacity figures, or named client references are provided. The company profile does not state years in operation, employee headcount, or R&D investment levels. Buyers evaluating this supplier should request a current ISO 9001 quality management certificate, product-level IEC test reports, and evidence of factory inspection or third-party verification to satisfy due-diligence requirements for import financing and customs clearance.

Business TypeSupplier
Year EstablishedRecently Joined
EmployeesContact Supplier
Annual RevenueContact Supplier
Main ProductsView Products Tab
Major MarketsGlobal
Response Time<4h
Response RateNew Supplier
Frequently Asked Questions About 250w solar panel from Helios Photovoltaic Co.,Ltd
The temperature coefficient of Pmax is not stated in the listing. For 156 mm monocrystalline cells, a typical value is between -0.35% and -0.45% per degree Celsius above 25 degrees Celsius Standard Test Conditions. In regions where ambient temperatures exceed 35 degrees Celsius, cell operating temperatures can reach 60-70 degrees Celsius, reducing output by 10-15% below the nameplate 250 W. Buyers should request the exact coefficient, expressed in % per degree Celsius, from Helios Photovoltaic to input into PVsyst or SAM yield models.

Sourcing 250w solar panel from Helios Photovoltaic Co.,Ltd - China Import Guide

Before placing an order with Helios Photovoltaic Co.,Ltd, verify that the 250 W module model quoted matches the IEC 61215 and IEC 61730 test reports provided. Request the flash test data sheet for the specific production batch, including open-circuit voltage, short-circuit current, and maximum power point voltage and current at STC. Confirm that the supplier holds a valid ISO 9001 certificate and that the quality management system covers the factory producing the modules. Check whether the company has export experience to your destination country, as familiarity with customs documentation and import duty classifications reduces clearance risk.

Logistics and lead time must be confirmed directly with Helios Photovoltaic, as no standard delivery period is stated. For containerised shipments from Changzhou, the typical export port is Shanghai or Ningbo. Negotiate Incoterms that allocate risk appropriately, with FOB Shanghai/Ningbo common for buyer-arranged freight or CIF destination port if the supplier manages ocean carriage. Payment terms should be structured to balance risk, perhaps 30% TT advance and 70% against copy of bill of lading, or use of documentary credit for initial orders. There is no response rate data on file, so conduct video factory verification and request references from prior export shipments before committing to large prepayments.

Quality assurance begins with pre-shipment inspection. Engage a third-party inspection agency to witness the flash test on a sampling basis, check cell crack and solder bond integrity via EL imaging, and verify frame grounding continuity and junction box sealing. Request packing photos before container sealing and retain the right to hold final payment pending satisfactory inspection report. Documentation required for customs typically includes commercial invoice, packing list, bill of lading, certificate of origin, and the IEC test report summary. For projects seeking construction financing, lenders may require a factory audit report and evidence of product liability insurance, both of which should be requested from Helios Phot photovoltaic during contract negotiation.

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Helios Photovoltaic Co.,Ltd
China
Harbor
<4h
Response Time
0.00%
Response Rate
34/100
Trust Score
📦
0+
Products
3.5(59)
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Buy & Import 250w Solar Panel — Wholesale Supply from China

Securing a reliable supply chain for 250w Solar Panel is critical for maintaining your business operations. Helios Photovoltaic Co.,Ltd, a verified supplier located in China, provides high-quality 250w Solar Panel ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Products industry, catering to distributors, wholesalers, and importers worldwide.

Request Wholesale Pricing & Bulk Trade Terms

Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing 250w Solar Panel from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Helios Photovoltaic Co.,Ltd. This seamless communication is powered by EximNext, a premier import export marketplace that connects ambitious buyers with verified global sellers across every major industry.

About Helios Photovoltaic Co.,Ltd — Verified Supplier in China

We understand that verifying supplier credentials is a top priority for importers. Helios Photovoltaic Co.,Ltd is part of our extensive network of vetted international exporters. Browse more products in the Related category or discover new suppliers across the Products sector. Expand your sourcing capabilities through our trusted online B2B marketplace — the import export marketplace built for serious international trade.

International Shipping & Import Guidelines for 250w Solar Panel

When importing 250w Solar Panel from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.

Frequently Asked Questions About 250w Solar Panel

How can I get the wholesale price for 250w Solar Panel?

Click the "Request Quotation" button to contact Helios Photovoltaic Co.,Ltd directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.

Can I buy 250w Solar Panel in bulk from China?

Yes, Helios Photovoltaic Co.,Ltd provides 250w Solar Panel for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.

What shipping terms are available for this product?

Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Helios Photovoltaic Co.,Ltd. Contact the supplier to discuss the best logistics options for importing 250w Solar Panel to your country.

How do I request a sample of 250w Solar Panel?

Send a direct message to Helios Photovoltaic Co.,Ltd through our platform to request a product sample before committing to a large wholesale order.

Is it safe to source products from this supplier?

Helios Photovoltaic Co.,Ltd is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).

What specifications should I ask for when importing 250w Solar Panel?

Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Helios Photovoltaic Co.,Ltd.

Does Helios Photovoltaic Co.,Ltd offer custom packaging or private labeling?

Many suppliers on EximNext, including Helios Photovoltaic Co.,Ltd, offer custom packaging and private label options for bulk wholesale orders.

What payment methods are accepted for international orders?

Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.

Can I find more Products suppliers on EximNext?

Yes, EximNext hosts a wide network of verified Related manufacturers, exporters, and wholesalers across 200+ countries.

How do I contact Helios Photovoltaic Co.,Ltd for a bulk trade inquiry?

Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our import export marketplace.

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