Explore our core lithium battery lineups engineered for RVs, off-grid backup systems, home energy storage walls, and mobile industrial applications.
As the global energy landscape transitions from fossil fuels to intermittent renewable sources like solar and wind, the demand for high-capacity, safe, and durable Solar Batteries has skyrocketed. Clean energy production requires modern power systems that can stabilize electrical grids and provide uninterruptible power. Commercial, industrial, and residential sectors are progressively deploying Battery Energy Storage Systems (BESS) at scale to counter rising energy tariffs and grid instability.
In North America and Europe, stringent decarbonization mandates coupled with substantial subsidies (such as the US Inflation Reduction Act and the European Green Deal) have created a booming market for lithium-ion storage solutions. Concurrently, utility companies are integrating grid-scale batteries to manage peak load demand, mitigate transmission congestion, and establish Virtual Power Plants (VPPs) that aggregate thousands of decentralized residential batteries to form dynamic municipal generators.
China represents over 75% of the world's lithium-ion battery manufacturing capacity. This global dominance is built upon a highly integrated vertical supply chain, advanced process automation, and extensive engineering experience. Cities like Shenzhen serve as the epicenters of global electrochemical hardware R&D, housing advanced manufacturing facilities that leverage local clusters of lithium mining refine networks, component fabricators, and specialized chip designers.
By sourcing raw materials directly, managing internal BMS (Battery Management System) design, and using high-precision automated welding and assembly lines, Chinese factories achieve economies of scale that are unmatched elsewhere. This allows for rigorous QC testing (such as automated cell capacity sorting, thermal chamber aging, and vibration testing) at a fraction of the cost, ensuring high product reliability for international clients.
Furthermore, this industrial maturity enables unparalleled flexibility in custom engineering. A factory can shift production rapidly between low-voltage RV batteries, high-voltage rack-mounted systems, and rugged portable power stations, providing B2B buyers with comprehensive OEM/ODM solutions tailored to exact technical requirements.
Established in 2010, Shenzhen Grenergy Technology Co., Ltd. is a premier high-tech enterprise specializing in the research, development, and manufacturing of state-of-the-art lithium batteries, integrated energy storage systems (ESS), electric vehicle power batteries, smart battery management systems (BMS), and all-in-one customized power solutions.
Over the course of more than a decade, Grenergy has focused heavily on structural innovation, thermal safety engineering, and electronic control architecture. Our diverse portfolio features highly competitive products, including Lead-acid replacement lithium batteries, Wall-mounted power walls, Portable power stations, Mobile home energy storage systems, and Trolley box portable power stations. We strive to improve energy conversion efficiency, extend system lifetimes, and minimize environmental impact.
Driven by our core values of integrity, continuous innovation, and customer satisfaction, Grenergy has secured its position as a trusted manufacturing partner for global importers, solar system integrators, distributors, and engineering contractors.
At Grenergy, quality is not a vague concept; it is verified by rigorous testing data and industry-standard certifications. Our 10,000 square meters modern manufacturing floor is equipped with fully automated product testing and production lines. A highly trained engineering and management workforce of 200 professionals ensures that every cell, module, and system assembly matches strict international standards.
Our facilities and operations are fully certified under ISO9001, ISO14001, and ISO45001. We maintain comprehensive certifications for our products, including UL, CE, FCC, PSE, and UN38.3. This ensures smooth customs clearance and regulatory compliance across major global markets, such as North America, Europe, Japan, and Australia.
From our founding, Grenergy’s core objective has been clear: to empower global businesses and residences with reliable, safe, and long-lasting energy storage hardware. We envision a future powered by clean, decentralized, and highly efficient smart microgrids.
To achieve this, we collaborate with Tier-1 battery cell manufacturers, raw material refiners, and leading inverter brands. These partnerships allow us to optimize the interoperability of our lithium batteries (LiFePO4) with major hybrid inverters (e.g., Deye, Growatt, Victron, SMA, and Voltronic Power).
Understanding the direct engineering integration of high-performance lithium energy solutions across diverse commercial and recreational fields.
Standard lead-acid systems fail prematurely under deep discharges. Grenergy's 12.8V 300Ah and 100Ah LiFePO4 batteries are designed for deep cycling in recreational vehicles, marine crafts, and off-grid cabins. They feature a lightweight construction and support rapid 1C charging, providing steady power for high-draw appliances like air conditioners and cooking ranges.
Utilizing wall-mounted or floor-mounted high-capacity batteries (such as our 51.2V 200Ah or 314Ah units), homeowners can optimize their self-consumption. By storing excess solar electricity generated during the day and discharging it during peak rate hours or utility power outages, users achieve high energy independence.
Our trolley energy storage systems with 2500W AC output provide portable power for construction sites, emergency rescue missions, and field operations. With integrated wheels and ruggedized housing, they deliver immediate clean power without the noise and exhaust of gasoline generators.
Delivering large lithium-ion systems across borders requires strict adherence to international safety regulations. Lithium batteries are classified as Class 9 Dangerous Goods, demanding certified packing materials and compliant maritime logistics.
Our dedicated team coordinates with specialized freight forwarders to manage dangerous goods documentation (MSDS, UN38.3 test summaries, and export certifications). This ensures seamless custom clearance and safe delivery to warehouse doors globally. We also collaborate closely with local system installers to optimize custom firmware updates, ensuring reliable compatibility with evolving regional utility grid requirements.
The next generation of solar batteries will not just store power; they will interact intelligently with local power grids. Through automated cloud connectivity and AI-driven BMS algorithms, systems will automatically purchase electricity when utility rates are low or negative, and discharge it when rates peak, generating a passive income stream for residential and commercial users.
The market is transitioning toward higher density cells like the new 314Ah standard. This allows for higher capacity floor and rack-mounted batteries within the same physical footprint, optimizing space in high-density multi-family housings and compact industrial switchrooms.
Large enterprise buyers require comprehensive product testing. Our compliance with UL1973 (for stationary energy storage batteries) and UL9540A (thermal runaway propagation testing) ensures that commercial properties, factories, and utility facilities can install Grenergy battery systems without facing insurance or local building safety approval hurdles.
Grenergy provides a comprehensive engineering workflow to support customized client requests:
Deep-dive technical answers to help system integrators and purchasing managers make informed purchasing decisions.
LiFePO4 (Lithium Iron Phosphate) offers superior thermal and chemical stability compared to NMC (Nickel Manganese Cobalt) chemistries. This reduces the risk of thermal runaway. It also supports a longer cycle life (often exceeding 6,000 cycles at 80% Depth of Discharge), operates safely across a wider temperature range, and does not contain toxic heavy metals like cobalt, aligning with ESG sustainability requirements.
Cell consistency is critical to maximizing the lifespan of a battery pack. In our Shenzhen facility, we utilize automated cell sorting equipment to match cells based on three parameters: capacity, internal resistance, and open-circuit voltage. This matching process ensures that all cells age at the same rate, preventing premature pack failure.
Yes. Our engineering team designs custom BMS firmware supporting RS485, RS232, and CANbus communication protocols. This allows our batteries to communicate seamlessly with popular inverter brands, including Victron, Deye, Growatt, Voltronic Power, SMA, and Goodwe, sharing real-time State of Charge (SoC), voltage, and temperature data.
Our batteries are fully tested and certified under global standards, including UL (for USA/Canada), CE (for Europe), PSE (for Japan), FCC, and UN38.3 (for safe transport). Our manufacturing processes are audited according to ISO9001, ISO14001, and ISO45001. We also offer a $3 million USD product liability insurance policy for all products.
Standard lead times are 25-30 days for mass production, and 10-15 days for custom prototypes. Complex OEM projects requiring custom tooling and new structural designs may extend to 45-60 days. We provide detailed timeline projections during our initial consultation phase.
High-capacity batteries designed for critical backup systems, custom golf carts, wall installations, and robust off-grid configurations.
Grenergy