Explore our advanced battery systems specifically optimized for integration, high efficiency, and grid-tier compatibility.
The global transition toward decentralized energy grid topologies has elevated the demand for high-compatibility battery energy storage systems (BESS). Among these, Sunsynk inverters stand out as a gold standard in residential, commercial, and industrial power management. Securing high-performance OEM lithium batteries designed specifically to integrate seamlessly with the Sunsynk ecosystem is a strategic priority for engineering, procurement, and construction (EPC) companies, wholesalers, and energy storage integrators worldwide.
At Shenzhen Grenergy Technology Co., Ltd., we customize and manufacture premium LiFePO4 battery modules designed for strict compatibility with leading hybrid inverters. This whitepaper explains the deep technical integration, engineering standards, and supply-chain structures required to manufacture BESS modules that maximize the high-performance potential of Sunsynk management platforms.
Decade-long manufacturing excellence backed by hard data and verified capabilities.
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.
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.
BMS communication, voltage match configurations, and smart battery network dynamics.
Our engineering team builds proprietary firmware designed to translate data fields directly into the Sunsynk CAN-bus protocol, ensuring seamless plug-and-play communication for critical data points like SOC, SOH, current, voltage, and temperature metrics.
Leveraging Grade-A prismatic lithium iron phosphate (LiFePO4) cells with lower internal resistance, our battery solutions maximize thermal efficiency and provide an exceptional cycle life exceeding 6,000 cycles at 80% DOD.
Integrated intelligent hardware BMS balances cell variations in real-time, preventing voltage drift. This maximizes usable capacity and protects the pack from over-charge, over-discharge, and thermal runaway.
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. Over the years, we have consistently met international industry standards, earning certifications such as ISO9001, ISO14001, ISO45001, UL, CE, FCC, PSE, and UN38.3.
We also provide third-party product liability insurance worth $3 million USD for all products, ensuring our global clients can trust our reliability and commitment to service excellence.
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.
Why sourcing from Grenergy's Shenzhen facility optimizes your bottom line and reliability.
Located in Shenzhen, the heart of the global lithium battery supply chain, we secure direct allocations of premier raw materials and Tier-1 LFP cells. This ensures stable manufacturing lead times and cost-efficiencies that we pass directly to our OEM buyers.
Our factory leverages advanced automated testing machinery. Every battery unit undergoes aging tests, capacity grading, insulation tests, and strict BMS verification before packaging, keeping our RMA rate under 0.1%.
From standard rack-mount formats and floor-mounted stackable enclosures to customized wall-mounted structures, our in-house engineering team designs and manufactures enclosures that meet local requirements.
Modern energy systems must conform to unique local standards. For instance, in areas with frequent power outages like South Africa or regions with strict grid codes like the UK and Central Europe, battery systems need quick response times and must operate reliably under high ambient temperatures.
Our customized OEM batteries feature dual-layer BMS protection, local LCD indicators, and support up to 15 packs connected in parallel for scalable backup capacity.
To support global deployment, our product line meets major international safety certifications. Standardizing our components to meet these requirements speeds up local permitting, utility sign-off, and simplifies importation.
Our products carry UN38.3, UL1973, CE, and IEC62619 certifications, qualifying them for residential and commercial installation in strict municipal zones. Backed by our $3 Million USD third-party product liability insurance, your brand is insulated from operational risks.
Through our partnerships with advanced inverter manufacturers and BMS software firms, we continuously update our battery firmware. This proactive integration makes our battery solutions future-proof, ensuring they adapt easily to emerging hardware modifications in the hybrid inverter space.
This cooperative model speeds up product development, letting you offer high-performance energy storage solutions to your domestic clients ahead of the competition.
Aligning manufacturing capabilities with macro market trajectories and sourcing standards.
High-volume energy storage procurement requires strict attention to component origin, supply continuity, and compliance. Modern buyers look for:
The stationary battery landscape is evolving rapidly. We are preparing for the next wave of energy technology with:
Clear, direct technical answers to assist with procurement decisions.
Our batteries use a multi-protocol BMS that includes standard Sunsynk and Deye CAN-bus communication parameters. During setup, the battery links with the inverter via a standard RJ45 cable, enabling real-time monitoring and parameter control directly from the inverter's display.
For standard customized configurations (custom enclosures, logos, and communication setup), manufacturing takes about 25 to 35 days from blueprint sign-off. High-volume ODM requests requiring new structural metal design take 45 to 60 days.
Lithium batteries are classified as Class 9 hazardous materials. We handle all logistics documentation, including UN38.3 test summaries, MSDS reports, and safe sea transport certificates. We work with certified freight partners to deliver safely to your destination port or warehouse.
Yes. While residential systems typically use 51.2V, we engineer high-voltage battery modules (including 256V and 512V series) with high-capacity 314Ah cells. These are ideal for large commercial and industrial (C&I) setups, keeping transmission losses to a minimum.
Our insurance policy provides global coverage, protecting distributors and project developers against claims related to product defects. This layer of security reduces risk, making Grenergy a reliable choice for commercial and industrial installations.
Complete BESS range featuring wall-mounted modules, server racks, and portable backups.
Grenergy
