Explore our leading line-up of custom-engineered LiFePO₄ power systems, modular racks, and dynamic portable stations.
The global transition toward net-zero emissions has positioned electrochemical energy storage systems (ESS) at the absolute center of geopolitical and industrial roadmaps. No longer relegated simply to small consumer electronics, lithium-ion battery technology—and specifically Lithium Iron Phosphate (LiFePO₄) chemistry—now anchors municipal grids, large-scale commercial and industrial (C&I) properties, off-grid telecom infrastructure, and the mass electrification of recreational vehicles (RVs) and utility fleets.
As microgrid penetration rises globally, the reliance on high-performance cell configurations, custom battery management systems (BMS), and thermal management dynamics is paramount. To secure high efficiency and structural durability, global engineering departments require specialized ODM partners capable of building custom battery systems from the cell level up. Environmental compliance, circular economic requirements, and strict regional safety regulations (such as UL9540A testing, IEC 62619, and local CE benchmarks) drive the demand for reliable manufacturing partners who understand regional safety specifications, quality systems, and supply-chain logistics.
Standardized, off-the-shelf energy solutions rarely satisfy the mechanical, thermal, and electrical integration needs of advanced projects. Large-scale utility systems require precise integration with varying inverter architectures, communication networks (CANbus, RS485, Modbus), and ambient temperature thresholds. Through targeted ODM manufacturing, enterprises acquire custom form factors, tailored capacity margins, and proprietary firmware routines designed to optimize degradation curves and cycle-life profiles. This strategic customisation ensures long-term return on investment (ROI) and keeps system maintenance down over cycles exceeding 6000 times at deep discharges.
Shenzhen Grenergy Technology Co., Ltd., established in 2010, is a high-tech enterprise specializing in R&D and manufacturing lithium batteries, energy storage systems, power batteries, battery management systems, and all-in-one solutions. With a strong commitment to technological innovation, Grenergy has become a leading provider of energy solutions for various applications worldwide.
Since its establishment, Grenergy has focused on the development of sustainable energy solutions to meet the growing demand for efficient, reliable, and eco-friendly power systems. With over 10 years of expertise, Grenergy has developed a diverse product portfolio, including Lead-acid replacement lithium batteries, Wall-mounted power walls, Portable power stations, Mobile home energy storage systems, Trolley box portable power stations, and much more. We are committed to enhancing energy efficiency while reducing environmental impact.
Grenergy’s products support various OEM and ODM customized services, allowing us to tailor solutions that meet specific client needs. With nearly 10,000 square meters of production space and a team of 200 highly skilled professionals, we are equipped to deliver high-quality products at scale. Our core values include integrity, innovation, and customer satisfaction, which have been the foundation of our growth. Grenergy’s history is one of continuous improvement and dedication to providing advanced energy storage solutions to businesses and individuals globally.
From the beginning, Grenergy’s mission has been to empower the world with cutting-edge energy storage solutions. We believe in a future where renewable energy is the primary power source, and our products are designed to make this future a reality. Through decades of research and development, we’ve become a trusted name in the energy storage sector, helping companies transition to more efficient, sustainable energy practices.
We are proud to have partnered with some of the world’s leading organizations and technology providers. These collaborations help us bring the latest advancements in energy storage and management systems to market, providing our clients with the most efficient and innovative solutions available.
Don’t just take our word for it—our clients trust us to provide safe, high-performance energy storage systems that meet their needs. With global customers from various industries, including renewable energy, manufacturing, and transportation, we have built a reputation for delivering reliable, top-quality products.
How our advanced electrical engineering drives energy density, thermal safety, and integration reliability.
Moving towards ultra-purified LFP chemical lattices, which practically eliminate micro-dendrite formation under high C-rate operations, raising standard thermal runaway boundaries from 250°C to over 600°C.
Integrating redundancy systems directly within the PCB. If primary processors fail, analog fallback monitors trigger disconnect protocols, safeguarding cell matrix integrity against voltage surges.
Deploying aerogel sheets between structural cell modules to halt side-to-side thermal paths, guaranteeing that a failure in a single cell remains completely localized without spreading.
Energy needs vary drastically across different industry segments and geographic zones. Our ODM capability allows engineers to choose specific configurations that align perfectly with their deployment environment:
For industrial plants constrained by high demand charge electricity tariffs, our High-Capacity 51.2V 314Ah Cabinet and Floor-Mounted LiFePO₄ Systems provide effective load shaving. Intelligent scheduling charges the battery bank during low-tariff off-peak hours and discharges it during peak consumption, preventing peak penalties and stabilizing factory power feeds.
Telecom installations in remote geographical locations rely heavily on uninterrupted power supplies. Standard lead-acid cells wear down fast under tropical heat conditions and daily cycling. By utilizing Rack-Mounted 51.2V systems, operators achieve a high density footprint within standard 19-inch cabinets. With integrated heating pads and cold-tolerant electrolytes, our systems operate safely from -20°C to +60°C.
Heavy vibration is typical for recreational vehicles (RVs) and marine vessels, which easily causes structural issues in standard battery assemblies. Our ODM 12.8V 300Ah RV Batteries are manufactured using laser-welded copper busbars and reinforced mechanical cell frames, eliminating stress damage on contact points. This design maintains power output reliability through rough roads and high-wave marine environments.
Crucial answers regarding design, manufacturing steps, shipping safety, and cell diagnostics for professional buyers.
Grenergy primarily manufactures Lithium Iron Phosphate (LiFePO₄) battery packs. Compared to traditional Nickel Manganese Cobalt (NMC) cells, LiFePO₄ offers superior safety (non-flammable under puncture conditions), a wider operating temperature range, and an extended life cycle—often exceeding 6,000 charge/discharge cycles at 80% Depth of Discharge (DoD) before capacity drops below initial margins.
Our customization pipeline begins with analyzing the electrical load, structural spacing limits, and cooling requirements. Next, our engineers design the electrical schematic, develop customized BMS parameters, and create 3D CAD concepts for client approval. After prototyping and testing, we move to high-volume manufacturing under strict ISO standards, followed by international certifications and logistics management.
Our Smart BMS comes programmed with multiple communication profiles, supporting CANbus, RS485, and Modbus networks. This guarantees complete plug-and-play compatibility with global inverter brands like SMA, Deye, Growatt, Victron Energy, and Solark, allowing real-time status monitoring, alarm feedback, and control adjustment.
We conduct strict QA inspections on every production lot. This includes high-impact drop tests, short-circuit tests, and extensive thermal testing. By selecting Grade-A prismatic cells, using laser-welded connection links, and installing high-temperature sensor points within each cell pack, we minimize internal resistance shifts and potential field failures.
This insurance protects our business partners, engineering organizations, and commercial distributors against third-party property damage or injury claims. It demonstrates our absolute engineering confidence, satisfies global regulatory compliance requirements, and protects project investments from unforeseen risks.
Select from our deep-cycle marine cells, high-output industrial racks, and trolley-based backup systems.
Grenergy