Explore our engineering breakthroughs in portable, wall-mounted, and floor-mounted modular battery systems tailored for global distributions.
Established in 2010, Shenzhen Grenergy Technology Co., Ltd. is a premier national high-tech enterprise dedicated to the R&D, advanced manufacturing, and global export of lithium batteries, integrated home energy storage systems (ESS), industrial power batteries, smart battery management systems (BMS), and all-in-one residential backup power solutions. Built upon a foundation of absolute technological innovation and stringent quality engineering, Grenergy has emerged as a key strategic partner for utility companies, distributors, EPC installers, and OEM brand owners worldwide.
By optimizing the integration of Tier-1 prismatic Lithium Iron Phosphate (LiFePO₄) cells with custom-engineered intelligent BMS architectures, we deliver safety-first, long-cycle energy storage setups that bridge the gap between renewable solar energy generation and responsive power consumption. From residential wall-mounted units to large-scale floor-mounted ESS cabinets, our products are engineered to optimize levelized cost of storage (LCOS) and protect energy independence.
A decade-long journey of driving sustainable transition through continuous engineering refinement, reliable scaling, and trust-based customer relationships.
Grenergy’s industrial capability is backed by quantitative performance. Operating out of a state-of-the-art 10,000 square meter production facility in Shenzhen, China, our factory houses advanced automatic cell-matching sorters, heavy-duty laser welding equipment, automatic module test systems, and comprehensive high-temperature environmental aging chambers.
With a dedicated workforce of 200+ highly trained professionals and a specialized engineering team comprising over 20% of the total staff, we run multiple high-efficiency assembly lines capable of outputting thousands of home battery modules per month. To maintain perfect safety standards, every single battery pack undergoes a continuous 48-hour charge-discharge aging test and automated BMS communication validation before final packaging and crating.
"By maintaining cell internal resistance variance within a narrow 0.5mΩ limit and voltage variance within 2mV, Grenergy ensures peak system cycle-life, minimizing balanced workload overhead for the BMS and preventing localized overheating."
Further demonstrating our focus on long-term partnerships, Grenergy maintains a $3 million USD product liability insurance policy. This global safeguard ensures our distribution and installation networks operate with total commercial confidence under comprehensive risk mitigation.
Leveraging China's leading lithium ecosystem to guarantee stable material supply, cost-efficiency, and absolute component traceability.
Situated in the heart of China’s advanced electronics and battery manufacturing hub, Shenzhen, we source directly from Tier-1 cell manufacturers. This proximity guarantees preferential allocation of high-grade prismatic LiFePO₄ cells, shield us from global raw material fluctuations, and ensuring stable unit economics.
Our facility runs an advanced Manufacturing Execution System (MES) that tracks each battery pack from raw material receiving, cell matching, laser spot-welding, BMS programming, to automated testing. A unique QR-code on each unit holds records of matching cell batches, internal resistances, and QA approvals.
To prevent premature pack degradation, our robotic cell grading machines sort cells dynamically based on capacity, open circuit voltage, and AC resistance. By optimizing these factors prior to welding, we achieve structural pack balancing that extends operational longevity.
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.
As grid instability increases due to extreme weather events and legacy infrastructure strain, residential power security is no longer a luxury but an absolute necessity. Grenergy designs with a "zero downtime, zero hazard" ethos. Our solutions are engineered not just to store electrons, but to serve as the intelligent heart of a home’s microgrid, managing solar inputs, local loads, and grid feedback with sub-millisecond response latency.
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. By co-developing next-generation smart communication interfaces, we make sure our batteries integrate seamlessly with mainstream solar inverter topologies (including Victron, Growatt, SMA, Solis, and Deye).
Innovation at the frontiers of electrochemistry: Transitioning to higher density cells, solid-state safety boundaries, and grid-supporting virtual power plants.
The residential and C&I market is shifting rapidly from 280Ah to 314Ah cell footprints. Grenergy is leading this migration, offering higher energy density in identical volume envelopes, which reduces installation footprints by 12% and decreases structural racking costs.
Future energy networks rely on bidirectional flow. Our active research is focused on integrating vehicle-to-grid (V2G) standard handshake protocols, enabling our systems to operate as responsive assets within dynamic Virtual Power Plants (VPP).
To permanently bypass thermal runaway risks, Grenergy is collaborating with research institutions to test semi-solid-state chemistry formulations, targeting zero fire-propagation profiles even during severe mechanical penetration.
Customized energy topologies designed to tackle grid instability, high tariff structures, and demanding peak power profiles across diverse sectors.
Tailored for territories with low export tariffs (such as Germany and California). The system stores excess daytime photovoltaic (PV) generation and discharges it during peak evening rate windows, achieving up to 90% solar self-sufficiency.
For remote areas, agricultural processing centers, and regions plagued by frequent blackouts, Grenergy integrates automatic transfer switches (ATS) that drop grid contact in under 10ms, transitioning to island mode with zero hardware interruption.
Allows commercial facilities to program automated peak load reduction parameters. High-current discharges are scheduled to shave peaks, preventing penalties from utility companies and lowering overall demand charge baselines.
Acquiring energy storage equipment at scale demands a partner that understands international regulatory frameworks, freight logistics, and long-term warranties. Grenergy provides comprehensive local integration support, ensuring our products comply with localized grid codes (such as AS/NZS 4777.2 in Australia, VDE-AR-N 4105 in Germany, and UL 9540 in North America).
Our OEM/ODM engineering workflow is structured to minimize time-to-market:
"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." Through our dedicated technical support hotline and localized component buffer stocks, we minimize field downtime for installers globally.
Addressing the complex engineering queries of distributors, installers, and procurement managers in the residential and commercial energy storage market.
Premium high-voltage, rack-mounted, wall-mounted, and floor-standing solutions designed for commercial stability and absolute backup performance.
Grenergy
