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RONGSTAR ENERGY

MAKE PHOTOVOLTAICS ACCESSIBLE

At RONGSTAR Energy we are proud to play a part in the global solar energy development. We have years-long experience in the distribution and wholesale supply of photovoltaic solar panels, inverters, construction, storage systems and other components for photovoltaics. Utilize the strength of headquarters-DJS Group,we specialized in localized warehousing & service for global customers.  
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A Rising Icon of solar plants investment

our products

Only the best for our customer

PV WHOLESALER

WHAT WE OFFER.ONE-STOP SERVICE!

We are specialized in providing a complete set of system integration materials for local solar engineering companies in the local area , including solar panels, inverters, ESS, brackets, cables, etc. We provide customers with system design, product delivery and warehousing, as well as local after-sales service.  
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Professional consultation

Experienced Team with more than 50MW,We can provide professional product and project consulting, window.location.href="https://www.rongstar.com/what-we-offer";

Local Warehouse

We have established a total of 9640 square meters of warehouses in Hong Kong, Vietnam, Germany and Poland. 

Timely service

Rongstar provides comprehensive after-sales support to various branches. Be able to not only quickly respond to demand within 3 hours, but also solve equipment failures and material shortages at the installation site for customers. 

Fast delivery

Relying on our localized warehouse and strong supply chain advantages, our delivery services are efficient and timely

Product Quality Assurance

We only provide products from world leading manufacturers with most reputable brand and quality. And ensure product quality before shipping

Customized solutions

By establishing local professional solar companies, we can customize different solutions for local customers.

Golden Partners

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latest News

TSUN Ranking NO.1 Powerful Micro Inverter of Single-Phase Microinverter!

May 20, 2024

TSUN Ranking NO.1 Powerful Micro Inverter of Single-Phase Microinverter!
In recent years, the application of microinverters in photovoltaic (PV) projects has been increasing due to their efficient and stable energy conversion, safe and reliable performance, independent MPPT technology, flexible configuration, intelligent monitoring, long lifespan design, and convenient installation. With the increase in the proportion of distributed PV and the growing emphasis on “safety” by more rooftop owners, enterprises in the microinverter sector have intensified their efforts in technological research and development, achieving fruitful results in launching more efficient and higher-power products and exploring emerging markets. Recently, the media researched the products and performance of major microinverter enterprises in the industry. TSOL-MP3000, a product from Suzhou TSUN, with an output power of 3000W, leads the industry in single-phase microinverters, becoming the industry champion. It shows that the maximum output power of TSOL-MP3000 reaches 3000W. With 6 independent MPPTs, it can connect to 6 PV modules, easily coping with complex installation environments with different orientations and partial shading, reducing the “bucket effect” and maximizing system power generation. Meanwhile, considering the increasing size of modules, power, voltage, and current, TSUN has also made corresponding designs in product development, with a single-channel MPPT DC input of 18.5A, seamlessly connecting to 182/210mm modules with a capacity of 600W+.   TSOL-MP3000 has IP67 protection, achieving a higher dustproof and waterproof level, and can be safely used in harsh outdoor environments, with a longer lifespan.   #Rongstar carries Tsun to make your solar projects safer and more powerful! Click the link below to view and read more about the TSUN products! https://www.rongstar.com/tsun
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Rongstar's new partner——Growatt launches a new balcony storage solution

June 17, 2024

Rongstar's new partner——Growatt launches a new balcony storage solution
Rongstar's new partner—— inverter maker Growatt has unveiled a new balcony solar storage system combining its NEO 800TL-X Microinverter and the NOAH 2000 Battery. “Utilizing a Y-Branch Solar Parallel Cable, the NOAH 2000 can be connected to four solar modules, harnessing more solar energy efficiently,” the company said in a statement. “It stores all excess energy in a battery during the daytime and returns it whenever you need it, improving solar energy utilization efficiency.”   According to the company, the recommended PV connection for the system is two inputs of up to 900 W. According to the product’s datasheet, the maximum battery output is up to 800 W. “It has an IP66 waterproof rating, making it safe for use in villas, balconies, gardens, and apartments regardless of the weather conditions,” the company added.   The #Growatt NOAH 2000 Battery: Easy installation, space-saving design, and integration with balcony solar systems.  Curious to learn more about this battery? Explore it further here: ✅  Germany 📩 de@rongstar.com Vietnam 📩 vn@rongstar.com Spain 📩 esp@rongstar.com Poland 📩 pl@rongstar.com Hong Kong 📩 hk@rongstar.com
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Rongstar Energy Invites Customers to Visit Booth C5.160 at the Intersolar Exhibition 2024

June 12, 2024

Rongstar Energy Invites Customers to Visit Booth C5.160 at the Intersolar Exhibition 2024
Rongstar Energy, a authorized distributor of leading brands in the solar energy industry, is thrilled to announce our participation in the upcoming Intersolar Exhibition 2024, scheduled to take place from June 19 to 21, 2024. We cordially invite all our customers, partners, and industry stakeholders to visit our booth, C5.160, where we will showcase latest technologies in PV modules & ESS solutions. We believe that our participation in Intersolar Exhibition 2024 will not only help us showcase our latest products but also provide us with an opportunity to connect with industry peers, share knowledge, and explore new business opportunities. We look forward to meeting our customers and partners at the exhibition and discussing the latest trends and developments in the solar energy industry.   Date: 19-21 JUNE 2024 Add: Munich Germany Booth: C5.160  
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LONGi introduces 630W HPBC photovoltaic modules with 23.3% efficiency

June 03, 2024

LONGi introduces 630W HPBC photovoltaic modules with 23.3% efficiency
Chinese solar module manufacturer LONGi has unveiled a new module series based on its proprietary hybrid passivated back contact (HPBC) cell technology.   The company has yet to explain exactly what HPBC is, but it is believed to be an extension of p-type interdigitated back-contact (IBC) technology that combines the structural advantages of PERC, TOPCon, and IBC solar. Additionally, BC technology can be combined with p-type wafers, for which Longi has substantial production capacities, giving it an advantage over the more common IBC technology. The new Hi-MO X6 Scientist panel is available in three versions with power output ranging from 620 W to 630 W and power conversion efficiency spanning from 23.0% to 23.3%. The open-circuit voltage is between 52.72 V and 53.02 V and the short-circuit current is between 14.93 A and 15.07 A.   The modules have a temperature coefficient of -0.28%/C and a maximum system voltage of 1,500. Their size is 2,382 mm x 1,134 mm x 30 mm and their weight is 28.5 kg. They also feature IP68 junction boxes, an anodized aluminum alloy frame, and 3.2 mm coated tempered glass. The new products come with a 25-year linear power output warranty, with the 25-year end power output being guaranteed to be no less than 89.4% of the nominal output power. As an officially authorized distributor of LONGi, Rongstar continues to support LONGi's technological innovation and vigorously promotes HBPC. To learn more about LONGi's products, please click:https://www.rongstar.com/longi
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Tongwei Solar, Smart and Global: Supplying Serbia's Largest PV Project

May 27, 2024

Tongwei Solar, Smart and Global: Supplying Serbia's Largest PV Project
The PV industry is an important part of the new chapter of economic and trade cooperation contributing to Serbia's sustainable economic development. And #TW Solar brings its exceptional technological and innovative capabilities to the construction of PV projects in Serbia, contributing to national rejuvenation and fostering a new China-Serbia community with a bright future. The Saraorci PV Project, spearheaded by PowerChina, has a total installed capacity of 13.86 MW and is the largest, and indeed the first, PV project in Serbia to be built by a Chinese company. The project is a symbol of Tongwei Solar's intelligent manufacturing capabilities on the Danube River and the largest PV project in Serbia it has ever supplied with modules. The completion of this project heralds a fresh chapter in cooperation between China and Serbia and is a clear indicator of what awaits green energy across the Balkans.   Once the PV project is commissioned, it will supply approximately 16 million kWh of clean electricity to the local area annually, effectively saving 5,100 tons of standard coal each year, and contributing to the development of the national economy. More significantly, the PV project made possible by Tongwei Solar's intelligent manufacturing is expected to contribute to the health of our planet by reducing annual carbon dioxide emissions by 16,000 tons, sulfur dioxide emissions by 2.7 tons, and nitrogen oxide emissions by 3.2 tons. As PV projects grow along the Belt and Road Initiative, #Rongstar eagerly anticipate more collaboration on green energy and the opportunity to utilize TW Solar and other Solar panel brands to sustainable development worldwide.
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