JA Solar Solar Panels

JA Solar: Solar Panels

Manufacturer and Production Scale

The "Energy" section presents JA Solar's photovoltaic panels — a company founded in 2005 in Shanghai by Jin Baofang, which over two decades of operation has grown into one of the world's top five solar module manufacturers by shipment volume. The company listed on NASDAQ in 2007 and later additionally listed on the Shanghai Stock Exchange — a rare example of dual listing for a manufacturer in this industry.

The Panel Lineup in Our Catalog

JA Solar's manufacturing capacity exceeds 50 gigawatts annually, and its products ship to more than 135 countries worldwide — a scale that lets the company maintain stable pricing on raw materials and components even during fluctuations in the global silicon market, and negotiate favorable logistics terms unavailable to smaller regional manufacturers.

The catalog features two panel lineups by cell format: 54-cell modules rated from 430 to 455 W and 72-cell modules rated from 595 to 640 W — both built on N-type TOPCon technology, which delivers higher conversion efficiency than traditional P-type cells thanks to reduced charge-carrier recombination losses.

N-Type TOPCon Technology and Advantages

The technology is built on JA Solar's patented BYCIUM development — its own version of TOPCon cell architecture, complemented by half-cut cell technology, which reduces the panel's internal resistance and improves resilience to partial shading compared to full-size cells.

The company's newest lineup, DeepBlue 5.0, achieves module efficiency of up to 24.8% — a figure that places JA Solar's products among the most efficient commercially available crystalline panels on the market for both residential and commercial customers.

The 54-cell format is aimed at standard-size private-home roofs, where compactness of an individual module at high specific power matters most, while the 72-cell format is designed for large roofs or ground-mounted plants, where fewer, higher-power modules reduce the total number of mounting points and cable-run length.

The Black Frame option, available on some models in the lineup, isn't just an aesthetic choice for owners who care about the plant's appearance on a visible roof — it's also a practical detail that reduces the frame's visual contrast against dark cells under direct sunlight.

Half-cut cell technology further reduces power losses under partial shading of the panel — a typical situation for roofs with nearby chimneys, antennas, or trees: when only part of a module is shaded, the half-cut architecture lets the unshaded half continue generating without a sharp drop in the whole string's total output.

JA Solar's warranty terms follow the industry-standard practice of leading manufacturers — a separate performance warranty (linear power degradation over decades of operation) and a separate warranty against manufacturing defects in the module itself, with a longer term for performance than for the product warranty.

The company's dual stock listing — on NASDAQ and the Shanghai Stock Exchange — ensures financial reporting transparency and long-term brand stability, especially important when choosing panels intended for 25-30 years of operation, over which a manufacturer's warranty obligations must remain valid for decades and the manufacturer itself must still exist to honor them.

Choosing specifically within the "Energy" section means comparing JA Solar's products against other solar panel manufacturers featured here on practical criteria: individual module power, cell format (54 or 72), the presence of patented BYCIUM technology, and the manufacturer's financial stability backed by a dual stock listing.

Why Choose JA Solar

If your project calls for products from one of the world's five largest solar panel manufacturers with proven financial transparency, years of mass-production experience, a broad annual shipment volume across dozens of markets, and modern N-type TOPCon technology, JA Solar panels deserve first consideration. Our consultants will help you select the specific model to match your roof or site parameters, and our delivery service will get the chosen equipment to you promptly anywhere in Ukraine.