High-performance energy storage platforms engineered with aerospace-grade structural optimization, smart BMS telemetry, and long-cycle longevity.
Established in 2010, Shenzhen Grenergy Technology Co., Ltd. is a premier, state-level high-tech enterprise dedicated to the R&D, structural design, manufacturing, and global export of advanced lightweight lithium batteries, battery management systems (BMS), and end-to-end commercial, industrial, and residential energy storage systems (ESS).
Our operational model is built around technical innovation, severe environmental testing, and custom OEM/ODM solutions tailored to system integrators, distributors, and engineering contractors worldwide. Over the past decade, Grenergy has focused on resolving the critical trade-off between energy capacity and weight overhead. By utilizing optimized cell configurations and advanced aluminum alloy or composite enclosures, we deliver energy solutions that significantly decrease structural loading while improving volumetric efficiency.
From a specialized laboratory in Shenzhen to a globally trusted exporter, our journey is defined by sustainable engineering and reliability.
Since our inception, Grenergy has anticipated the global transition towards clean energy and the urgent industrial demand for compact, modular, and high-performance power units. Traditional lead-acid batteries, with their low energy density (typically 30-50 Wh/kg) and heavy structures, restricted the efficiency of portable power, electric vehicles, and off-grid configurations. Recognizing this bottleneck, Grenergy directed its R&D resources towards Lithium Iron Phosphate (LiFePO4) chemistry, establishing a comprehensive product portfolio that includes lead-acid replacement batteries, wall-mounted battery units, mobile home energy storage systems, and portable power stations.
Our brand story is centered on quality and engineering precision. By focusing on safety and life cycles, Grenergy has successfully engineered solutions that deliver over 6,000 charge cycles at 80% Depth of Discharge (DoD). This level of longevity ensures that our global partners benefit from a lower total cost of ownership (TCO) while reducing overall material waste. We strive to design lightweight energy storage solutions that make renewable power accessible, reliable, and adaptable for diverse applications.
How optimized weight-to-energy ratios are transforming modern sectors including material handling, recreational mobility, and off-grid microgrids.
Automated Guided Vehicles (AGVs) and Autonomous Mobile Robots (AMRs) require high uptime. By replacing heavy lead-acid batteries with our custom lightweight lithium solutions, warehouses can reduce overall vehicle weight, lowering structural wear and significantly cutting down charging times with fast 1C charging rates.
Precision medical equipment and remote telecommunications towers require uninterruptible, stable power supplies. Our lightweight LFP designs enable modular deployments on cell towers and portable medical carts, making onsite installations easier and reducing physical strain on mounting hardware.
Weight distribution is critical for stability in marine vessels and recreational vehicles (RVs). Our deep-cycle 12.8V and 24V batteries deliver stable capacity at less than half the weight of traditional options. This weight reduction directly translates to improved fuel efficiency and easier integration into tight compartments.
At Grenergy, we align our engineering with advanced data analysis. Our 10,000 square meter factory is equipped with automated cell sorting machines, precision spot welding systems, and multi-channel aging testers. This infrastructure allows us to closely monitor the capacity, internal resistance, and voltage consistency of every cell before final assembly.
Our commitment to quality control is verified by international standards. Grenergy holds ISO9001, ISO14001, and ISO45001 management certifications. Additionally, our battery packs are certified under UL, CE, FCC, PSE, and UN38.3, ensuring compliance for international shipping and local grid connections. To provide further assurance, we back our global shipments with a $3 million USD third-party product liability insurance policy.
Fully certified under UL, CE, FCC, PSE, and UN38.3 standards for secure international deployments.
LiFePO4 chemistry designed to exceed 6,000 cycles, providing long-term reliability and low maintenance.
Every commercial application has distinct spatial, thermal, and electrical requirements. Grenergy’s engineering team provides a structured OEM/ODM pipeline to address these challenges:
Through strategic partnerships with key component suppliers and distributors, we streamline production times and maintain consistent quality across our systems. These collaborations allow us to integrate advanced technology and deliver cost-effective solutions to our clients.
Grenergy’s international market presence spans Europe, North America, the Asia-Pacific region, and Africa. We work closely with municipal energy planners, industrial plant operators, and off-grid developers to implement reliable energy storage solutions.
Our collaborative approach focuses on technical support and transparent documentation. By providing detailed drawings, thermal reports, and safety certificates during the design phase, we help our partners secure project approvals. This focus on compliance and open communication helps us build long-term relationships with developers and integrators worldwide.
An analysis of cell chemistry, structural engineering, and smart monitoring software that optimize performance and safety.
We focus on lithium iron phosphate (LiFePO4) chemistry due to its thermal stability and safety characteristics. Compared to nickel-cobalt-manganese (NCM) alternatives, LiFePO4 has a high thermal runaway threshold (around 270°C). This stability makes it resilient against mechanical abuse, overcharging, and elevated operating temperatures.
Furthermore, our cells exclude conflict materials like cobalt, aligning our products with global environmental standards and ensuring a more sustainable manufacturing footprint.
Every Grenergy battery pack is equipped with a custom-engineered Battery Management System (BMS) that monitors operation at the cell level. The system tracks voltage, current, and cell temperatures to prevent over-voltage, under-voltage, over-current, and short circuits.
Integrated passive cell balancing ensures even state-of-charge (SoC) distribution across all parallel and series configurations, extending the functional life of the pack.
Shipping lithium-based energy products requires strict adherence to international regulations for dangerous goods. Grenergy manages the compliance process for our clients by ensuring all products are tested and documented in accordance with global transit rules.
We provide full documentation, including UN38.3 test summaries, Material Safety Data Sheets (MSDS), and safety test reports. These documents are verified by recognized testing bodies to prevent customs delays and ensure smooth delivery to your distribution centers or project locations.
Looking ahead to advancements in energy density, circular design, and next-generation battery architectures.
As the energy storage industry evolves, Grenergy continues to invest in emerging battery technologies. Our R&D department is currently evaluating silicon-carbon anodes and semi-solid-state chemistries to achieve gravimetric energy densities exceeding 220 Wh/kg at the pack level, without compromising the safety of LiFePO4 systems.
Our roadmap also focuses on the circular economy. We are developing designs that make battery disassembly and material recycling more efficient. This approach simplifies second-life repurposing and raw material recovery at the end of the battery’s operating life, helping our industrial clients meet environmental targets.
Detailed technical answers to common questions about lightweight lithium iron phosphate (LiFePO4) systems.
LiFePO4 batteries have a higher gravimetric energy density (typically 120-160 Wh/kg) compared to lead-acid batteries (30-50 Wh/kg). This difference allows lithium batteries to store the same amount of energy at approximately one-third of the weight. Additionally, lithium systems support a higher Depth of Discharge (up to 95%), meaning a smaller physical battery can be used to deliver equivalent usable capacity.
Yes, our engineering team can customize the BMS firmware to integrate with your existing systems. We support standard industrial protocols including CANbus, RS485, RS232, and Modbus RTU/TCP. This compatibility enables seamless communication between the battery pack and your inverters, motor controllers, or telemetry systems.
All Grenergy battery systems are designed to comply with international transport regulations. We complete testing for UN38.3, UL1642 (for cells), UL1973 (for battery packs), CE, and FCC. We also supply complete documentation, including MSDS and safety declarations, to streamline logistics with air and ocean carriers.
Our global product liability insurance provides financial coverage in the rare event of battery failures resulting in damage or injury. This coverage minimizes financial and operational risk for distributors, retailers, and EPC contractors who import and install our products in commercial or residential systems.
For customized designs, the development phase—which includes structural design, thermal simulation, and custom BMS routing—takes approximately 3 to 4 weeks. Once the design is finalized, prototype assembly and testing require 15 to 25 days, depending on material availability and the complexity of the project.
From rack-mounted commercial units to high-voltage golf cart systems, explore our certified LFP product range.
Grenergy
