Today, SUNROVER's battery factory completed the production of a 15kWh vertical lithium-ion battery for a customer, as well as a complete 20GP battery energy storage system. These two orders, shipped to different overseas markets, mark another routine yet significant milestone for the company’s expanding manufacturing operations. The vertical lithium-ion unit, designed for residential solar storage, and the containerized 20GP system, tailored for commercial backup applications, both rolled off the production lines within the same shift—a testament to the factory’s ample production capacity and well-coordinated workflow.   SUNROVER’s battery facility operates multiple high-speed lithium-ion production lines, supported by a smaller number of lead-acid lines that serve niche legacy applications. However, the vast majority of the plant’s output is dedicated to advanced lithium-ion chemistries, with an annual capacity that comfortably accommodates both large-scale project orders and custom small-batch requirements. This production flexibility ensures that even during peak seasons, lead times remain predictable and delivery schedules are consistently met. The factory’s layout incorporates automated electrode coating, precision cell winding, and robotic module assembly, all monitored by a centralized manufacturing execution system that tracks every parameter in real time. Such scalable infrastructure allows SUNROVER to respond swiftly to sudden surges in demand, whether for rack-mounted modules, wall-hung batteries, or floor-standing vertical units like the one completed today.   Quality assurance is woven into every stage of production, from incoming raw material inspection to final system-level burn-in testing. Each lithium-ion cell undergoes multiple checkpoints: capacity grading, internal resistance measurement, insulation testing, and thermal stability verification under controlled charge-discharge cycles. The completed 15kWh vertical battery, for instance, was subjected to a 72-hour continuous aging test, simulating real-world daily cycling with varying ambient temperatures, before receiving its final certification. Similarly, the 20GP energy storage system—which integrates battery racks, a liquid-cooling thermal management unit, and a fire-suppression subsystem—passed a comprehensive factory acceptance test that included communication handshakes with three different inverter brands. SUNROVER’s inspection protocols exceed industry standards, with defect rates consistently below 0.2% in outgoing shipments. Every order, regardless of size, is accompanied by a detailed test report documenting voltage consistency, coulombic efficiency, and cycle-life projections, giving customers full traceability and peace of mind.   Beyond raw performance, SUNROVER’s lithium-ion batteries are engineered for seamless interoperability. The built-in intelligent battery management system (BMS) sup...

A year after its initial foray into Iran's renewable energy market, SUNROVER, along with its engineering and maintenance team, has returned to the country to commission Growatt inverters and resolve operational issues across an entire 10MW large-scale ground-mounted photovoltaic project. The revisit marks a significant milestone in SUNROVER's ongoing commitment to providing comprehensive after-sales technical support and ensuring the long-term performance and reliability of its solar installations.   SUNROVER first established its presence in Iran in August 2025, when its operations and engineering team touched down in the country to initiate customer dialogues and engage in detailed discussions focused on tailored solar-plus-storage solutions. The company's market expansion plan in Iran began in early 2025, and since then, SUNROVER has steadily built a reputation for delivering integrated photovoltaic and energy storage systems. The 10MW ground-mounted project, one of the company's flagship installations in the region, has been a testament to SUNROVER's engineering capabilities and its ability to execute large-scale solar developments in challenging environments.   During the recent site visit, SUNROVER's overseas market manager and operations and maintenance engineering team conducted a comprehensive inspection of the entire 10MW facility. The primary objective was to commission the Growatt inverters that serve as the backbone of the project's power conversion system, ensuring they operate at peak efficiency. Growatt inverters are renowned for their efficiency and reliability, and SUNROVER has consistently integrated them into its large-scale projects to form robust and efficient systems capable of meeting demanding energy requirements. The team also addressed various operational issues that had emerged over the year of continuous operation, fine-tuning system parameters and optimizing performance to maximize energy yield.   SUNROVER's commitment to providing complete photovoltaic and energy storage solutions for every client is the cornerstone of its business philosophy. The company specializes in designing customized grid-connected and storage-integrated photovoltaic systems to address diverse client needs. With over 12 years of dedicated expertise in designing and constructing ground-mounted PV systems, SUNROVER brings a seasoned team of engineering, operation, and maintenance design professionals who ensure every project is optimized for performance, durability, and return on investment. The company's professional sales and O&M teams provide a true one-stop solar and storage solution, guiding clients through every stage of the project lifecycle—from initial feasibility and design to post-commissioning support.   What sets SUNROVER apart in the competitive solar industry is its vertically integrated business model. The company controls its entire production chain, with robust self-owned manufacturing lines that ...

HEFEI, China – SUNROVER, a global leader in renewable energy solutions, today announced the successful completion of production for its latest 20GP containerized Battery Energy Storage System (BESS). The system, featuring a SUNROVER 100kW energy storage inverter paired with a SUNROVER 400kWh 51.2V 280Ah high-voltage lithium battery pack, is now in final packaging and will soon be shipped to customers in the United States. This milestone marks a significant step forward in SUNROVER's global expansion strategy, demonstrating the company's robust in-house manufacturing capabilities and its commitment to delivering complete, turnkey photovoltaic energy storage solutions to markets worldwide.   In-House Production Capacity and Vertical Integration SUNROVER's ability to produce containerized BESS systems in-house represents a key competitive advantage. The company operates dedicated, large-scale production facilities for advanced lithium batteries, enabling complete vertical integration from battery cells and modules to finished containerized systems. This end-to-end control over the manufacturing process ensures consistent quality, reliable performance, and ample supply to meet global demand without bottlenecks. "Completing this 20ft BESS for our U.S. customer underscores SUNROVER's independent production capacity for containerized energy storage solutions," said a SUNROVER spokesperson. "Unlike many competitors who rely on third-party suppliers for critical components, we design and manufacture our batteries, integrate our inverters, and assemble the entire system under one roof—giving our customers complete confidence in quality and delivery timelines." The containerized BESS is housed within a standard ISO shipping container, integrating modular battery racks, a Battery Management System (BMS), power conversion systems, thermal management, fire protection, and monitoring hardware into a single, transportable package. This "plug-and-play" design dramatically reduces installation complexity and on-site construction time.   Superior High-Voltage Lithium Battery Technology At the heart of the system lies SUNROVER's proprietary 51.2V 280Ah high-voltage lithium battery, engineered to meet the most demanding commercial and industrial applications. Each battery module undergoes a comprehensive, multi-stage testing process before leaving the factory, including rigorous performance validation, cycle life testing, and safety stress tests for overcharge, over-discharge, short circuit, and thermal stability. Full UL and CE certification compliance further underscores SUNROVER's unwavering commitment to quality and safety. SUNROVER's high-voltage battery systems are engineered for broad interoperability, designed to communicate and operate seamlessly with major energy storage inverter brands on the market. The company has established strategic partnerships with leading inverter manufacturers including ATESS, Solis, and Deye, ensuring flawle...

HEFEI, China – July 29, 2026 – An Afghan client arrived in China on July 24, 2026, for a comprehensive visit to SUNROVER’s corporate headquarters and photovoltaic module manufacturing facilities in Hefei, Anhui Province. The multi-day visit marked a significant step in SUNROVER’s global expansion, showcasing the company’s vertically integrated business model and its unique one-stop design-to-delivery capability in the renewable energy sector.   The visit commenced with in-depth discussions between the Afghan client and SUNROVER’s engineering team regarding the design and configuration of a customized photovoltaic energy storage project tailored to the client’s specific needs. Leveraging over 11 years of industry expertise and a dedicated team of 150 R&D professionals, SUNROVER’s engineers conducted precise energy analysis and component matching to develop an initial draft of a bespoke solar-plus-storage solution. The company excels in delivering end-to-end, customized photovoltaic energy storage systems tailored to specific client requirements, ensuring that every project—whether residential, commercial, or for challenging environments—receives an optimized design through meticulous engineering.   Following the design discussions, SUNROVER led the client on an extensive tour of its own-brand photovoltaic module factory and production lines. The factory operates high-capacity production lines dedicated to advanced TOPCon technology, one of the most efficient and sought-after cell architectures in the solar industry today. The client witnessed firsthand SUNROVER’s substantial output capabilities and ample production capacity to meet rising global demand. With an annual production capacity reaching 5GW and a sprawling 100,000-square-meter manufacturing facility, SUNROVER demonstrated that customers are never constrained by supply shortages, regardless of order size. The tour revealed a streamlined, modern production environment capable of rapid ramp-up to accommodate both bulk procurement and incremental replenishment. By owning and operating its own component factory, SUNROVER maintains absolute control over product quality, guaranteeing that the high efficiency promised in specifications is precisely what is delivered to the client.   A key highlight of the visit was SUNROVER’s demonstration of its distinct one-stop service advantage. Unlike traditional procurement routes that require clients to liaise separately with panel manufacturers, inverter suppliers, battery vendors, and installation contractors, SUNROVER offers a unified solution from initial site survey and system design through to manufacturing of core components, installation, and long-term maintenance. This integrated approach saves clients significant time and eliminates the complexity of managing multiple suppliers. SUNROVER’s strategic partnerships with first-tier inverter manufacturers...

SUNROVER has successfully concluded its recent visit to its Cuban customers, marking another milestone in its ongoing commitment to delivering reliable global service and localized energy solutions. During this overseas trip, SUNROVER deployed its engineering and maintenance specialists directly to the customer’s project sites, reinforcing the company’s philosophy that true service goes beyond remote support and must be grounded in face-to-face technical engagement, real-world inspection, and continuous international presence.   Throughout the visit, the SUNROVER team conducted comprehensive on-site evaluations of existing photovoltaic and energy storage installations. Rather than relying solely on reported data or remote diagnostics, engineers carefully inspected system performance under actual operating conditions, identified minor operational inefficiencies, and provided immediate corrective measures where needed. This hands-on approach allowed the team to resolve technical issues promptly while gaining a deeper understanding of local environmental conditions, grid stability challenges, and user energy consumption patterns.   A key focus of the visit was direct communication with the customer to understand evolving energy demands and long-term usage expectations. By engaging with the operational reality on the ground, SUNROVER was able to refine a customized photovoltaic-energy storage solution tailored specifically to Cuba’s climate conditions, electricity usage behavior, and infrastructure characteristics. This type of in-person technical collaboration ensures that system design is not only theoretically sound but also practically optimized for durability and performance in real-world scenarios.   During the visit, the customer also reviewed an energy storage system built with SUNROVER 51.2V 200AH wall-mounted lithium batteries and SUNROVER 15KW energy storage inverters. After approximately four months of continuous operation, the system has demonstrated stable performance, reliable power output, and consistent energy storage efficiency. This long-term stability has strengthened customer confidence in the system’s ability to support daily electricity needs, particularly in environments where power fluctuations and grid interruptions may occur.   Wall-mounted lithium battery systems, such as SUNROVER’s 51.2V 200AH configuration, are increasingly recognized in the global energy storage market for their compact structure, flexible installation, and high safety standards. Compared with traditional lead-acid batteries, lithium iron phosphate technology offers significantly longer cycle life, improved thermal stability, and higher usable capacity. The wall-mounted design further enhances installation efficiency by saving floor space, simplifying system integration, and enabling modular expansion for future energy demand growth. Integrated battery management systems ensure precise control over charg...

A distinguished customer of SUNROVER recently concluded a productive visit to China, beginning with a tour of the manufacturing facility of Deye – a premier inverter brand and strategic partner of SUNROVER. The following day, the delegation visited SUNROVER’s own photovoltaic module factory, where in-depth discussions were held regarding future energy storage orders and long-term strategic cooperation.   The visit highlighted SUNROVER’s distinctive advantage in the renewable energy marketplace: deep, reliable partnerships with first-tier inverter manufacturers such as Deye. These alliances ensure that SUNROVER can provide consistent, uninterrupted supply of inverters across all model specifications. Unlike many distributors who struggle to meet the needs of smaller-volume buyers due to inventory shortages or allocation priority, SUNROVER maintains ready access to complete inverter lineups. This capability eliminates the common pain point where smaller clients face prolonged wait times or receive only partial shipments. With direct collaboration channels and dedicated inventory buffers, SUNROVER guarantees that even modest orders are fulfilled swiftly and fully.   Equally impressive was the showcase at SUNROVER’s own PV module factory. The company operates a high-capacity production line dedicated to advanced TOPCon technology, one of the most efficient and sought-after cell architectures in the solar industry. The factory demonstrated substantial output capabilities, with ample capacity to meet rising global demand. TOPCon solar panels, known for their superior efficiency, low degradation, and excellent bifacial performance, are produced in abundance. SUNROVER’s manufacturing scale means that customers are never constrained by supply shortages, regardless of order size. The factory tour revealed a streamlined, modern production environment capable of rapid ramp-up to accommodate both bulk procurement and incremental replenishment.   Beyond hardware availability, the two parties engaged in forward-looking conversations about energy storage systems. Recognizing the accelerating shift toward integrated solar-plus-storage solutions, SUNROVER and the customer explored multi-year procurement frameworks and joint development initiatives. These discussions focused on aligning SUNROVER’s expanding storage portfolio – including hybrid inverters and battery packs – with the customer’s project pipeline.   SUNROVER reaffirmed its commitment to being a one-stop, reliable partner for solar solutions. By combining strategic inventory agreements with top inverter brands like Deye and its own vertically integrated module production, SUNROVER removes the two biggest barriers faced by smaller and mid-sized customers: component unavailability and long lead times. The visit concluded with mutual agreement to finalize a memorandum of understanding for long-term strategic cooperation, covering bot...

A customer in the Philippines has successfully deployed a robust 24kW battery energy storage system using SUNROVER’s advanced energy storage components—an exemplary case demonstrating the performance and reliability of Chinese-manufactured clean energy solutions. The system comprises two SUNROVER 12kW energy storage inverters, six 51.2V 200Ah wall-mounted lithium batteries, and twenty SUNROVER 590W TOPCon N-type solar panels. This integrated configuration delivers a total battery capacity of approximately 61.44kWh, providing ample energy for residential or light commercial applications.   SUNROVER Wall-Mounted Lithium Batteries: High Capacity with Broad Compatibility SUNROVER’s 51.2V 200Ah wall-mounted lithium batteries feature lithium iron phosphate (LiFePO₄) cell chemistry, delivering approximately 10.24kWh of usable energy per unit—enough to meet most household daily backup power needs. The wall-mounted design conserves valuable floor space while allowing flexible installation positions. The integrated intelligent Battery Management System (BMS) provides comprehensive protection against overcharging, over-discharging, overcurrent, short circuits, and extreme temperatures, ensuring long-term operational stability. A critical advantage of SUNROVER batteries is their exceptional compatibility with mainstream inverter brands. Engineered with robust BMS communication capabilities, these batteries integrate seamlessly with a wide array of high-voltage energy storage inverters available on the market, utilizing standard communication protocols for stable data exchange. This plug-and-play versatility significantly simplifies system design and installation for integrators while ensuring stable, efficient power delivery across diverse application scenarios.   SUNROVER 12kW Energy Storage Inverter: High-Efficiency Power Conversion The SUNROVER 12kW inverter delivers consistent 12kW continuous output backed by a 48V battery architecture, ensuring stable operation even during grid interruptions. Equipped with dual independent MPPT trackers operating within a 60-450V range, the inverter manages up to 15kW of solar input (27A per channel, 45A total), maximizing solar power generation efficiency while supporting long PV strings. The inverter achieves maximum conversion efficiency up to 98% and MPPT efficiency up to 99.9%, significantly boosting overall system performance. With built-in EPS (Emergency Power Supply) switching capability, the inverter provides reliable backup power when grid power fails, offering robust load handling capability for both single-phase and three-phase applications. SUNROVER inverters are designed with comprehensive protection features, including PV input overcurrent protection, night reverse charging prevention, AC input overvoltage/undervoltage protection, battery overvoltage, undervoltage, and overcurrent protection, AC output short circuit protection, and inverter overload protection, ensuring s...

SUNROVER, a leading innovator in renewable energy solutions, has successfully supplied key components for a newly commissioned 119kW+228kWh solar-plus-storage system in Greece. A Greek customer purchased 156 units of SUNROVER 700W N-type bifacial solar panels and 2 sets of SUNROVER 409.2V 280Ah high-voltage rack-mounted lithium batteries. The complete energy storage system was subsequently assembled by integrating two Deye 50kW energy storage inverters, resulting in a robust distributed solar-storage solution tailored for commercial energy needs.   The system's 119kW of solar generation capacity is delivered by SUNROVER 700W N-type TOPCon bifacial panels, which incorporate dual-glass bifacial technology with a 23.50% conversion efficiency rating. Leveraging advanced bi faciality and superior low-irradiance performance, N-type TOPCon technology enables significantly greater energy yield across all ambient conditions. N-type modules exhibit lower power degradation, a lower temperature coefficient, and better performance under low-light conditions. Compared to traditional P-type modules at the same installed capacity, N-type modules generate approximately 5% more annual power output. In high-temperature Mediterranean environments, TOPCon cells also maintain higher output with a favorable -0.30%/°C temperature coefficient, reducing power loss when modules operate at elevated field temperatures. The sustained high-performance power generation is further enhanced by a lower degradation rate, ensuring long-term stable and reliable output over the full service life of the solar array.   Complementing the solar generation capacity, the 228kWh storage system is built around two sets of SUNROVER 409.2V 280Ah high-voltage rack-mounted lithium batteries. Compared to conventional low-voltage architectures, high-voltage lithium battery systems reduce current flow for the same power output, minimizing transmission losses and improving overall system efficiency. At 409.2V nominal voltage, this architecture also reduces copper conductor requirements, simplifies cable sizing, and yields a more compact, efficient design. The system achieves round-trip efficiencies as high as 98–99%, significantly reducing energy loss compared to lower-voltage configurations. The discharge platform of high-voltage batteries remains stable throughout the discharge cycle, delivering consistent power suitable for high-demand commercial loads. The reduced current also lowers thermal generation, enhancing safety while maintaining stable power output.   SUNROVER lithium batteries incorporate an intelligent battery management system (BMS) that ensures stable and efficient operation while extending service life. This BMS delivers exceptional compatibility, enabling seamless integration with a wide array of high-voltage inverters available on the market, including Deye, Solis, Growatt, and other leading brands. The plug-and-play versatility of SUNROVER's high-voltage ...