OEM House Battery Storage Manufacturer

Custom Tier-1 Lithium Iron Phosphate (LiFePO4) Battery Energy Storage Systems (BESS) for Smart Residential, Commercial & Microgrid Networks Globally.

ELITE POWER manufacturing facility
ELITE POWER
GRACE DEVELOPERS Subsidiary

About Our Company

ELITE POWER, a wholly-owned subsidiary of GRACE DEVELOPERS CO., LIMITED, is an industry-leading new energy enterprise integrating scientific research, design, high-precision manufacturing, and global sales. Headquartered dynamically with strategic operating nodes in Hong Kong, Shenzhen, and Dongguan, China, we are localized at the absolute center of the world's battery engineering supply chain. We specialize in developing next-generation intelligent green energy storage systems (BESS), bridging the gap between raw cell performance and ultimate consumer reliability.

Our expansive production portfolio spans residential energy storage systems, utility-scale industrial and commercial (C&I) energy storage cabinets, containerized high-capacity storage modules, supercapacitor truck jump starters, portable clean energy units, and specialized furniture batteries. By keeping design and manufacturing under one unified roof, we provide international clients with unmatched OEM/ODM agility, competitive pricing, and rigorous quality assurance.

Strategic Partners & Core Standards

To address the complex regulatory environment of tier-one renewable energy markets, ELITE POWER operates under strict adherence to ISO 9001:2015 (Quality Management System) and ISO 14001:2015 (Environmental Management System) certifications. In 2022, we solidified a monumental strategic cooperation agreement with key USA partners. This alliance enables the deep development of high-performance optical storage and charging systems specifically optimized for the unique constraints of the North American grid. Together, we deploy grid-forming residential battery storage, commercial smart-inverter integrations, and specialized emergency start mechanisms tailored for heavy trucking fleets.

3+
Global R&D Hubs
10k+
Systems Shipped
ISO 9001
Certified Quality
2022
US Strategic Alliance

Our Teams’ Core Values

Faith Icon
Faith
We operate with honesty, supply chain transparency, and uncompromised safety across all transactions.
Innovation Icon
Innovation
Pushing the boundaries of chemical safety, thermal efficiency, and BMS intelligent algorithms.
Effort Icon
Effort
Striving for precision engineering at every step, from bare cells to final compliance certificates.
Win-Win Icon
Win-Win
Aligning engineering, margin structures, and local services to guarantee partner profitability.

Global Enterprise OEM Procurement Framework

Insights into the procurement criteria, utility demands, and financial metrics guiding worldwide energy deployment.

The global transition toward residential and commercial self-consumption is no longer merely an ecological choice; it is a critical macroeconomic necessity. As utility grids face historical congestion, rising maintenance overheads, and climate-induced outages, grid operators and home builders are turning to distributed energy resources (DERs). Major procurement managers across North America, the European Union, and the Asia-Pacific region demand specific system criteria to qualify manufacturers for large-scale utility and community solar contracts:

  • Levelized Cost of Storage (LCOS): Procurement teams utilize LCOS metrics to determine long-term project ROI. Manufacturers must provide LFP cells capable of surpassing 6,000 cycles at 80% Depth of Discharge (DoD) to optimize lifetime asset value.
  • Thermal Runaway Mitigation: With the implementation of UL 9540A testing, safety is verified at the cell, module, and system levels. OEM products must feature internal chemical barrier materials, active monitoring, and venting pathways to prevent cascade fires in high-density residential layouts.
  • Interoperability & Smart Grid Protocol: Modern residential battery packs must interface seamlessly with dominant hybrid inverters (e.g., SMA, Solis, Victron, Deye) via CAN/RS485 interfaces. They must comply with SunSpec and Modbus TCP communications to support virtual power plant (VPP) aggregations.

North American Microgrids

Addressing grid instability and peak tariff zones (such as California's NEM 3.0 framework) through smart load management.

  • Split-phase output compatibility (120V/240V).
  • High continuous discharge current (up to 1C).
  • UL 9540 system-level compliance for local permits.
  • Integration with local smart home energy management (SHEM).

European High-Voltage Stackables

Providing space-saving modular energy storage designed specifically to maximize self-consumption efficiency.

  • High-voltage series architectures (200V - 600V DC).
  • Tool-free plug-and-play modular expansion.
  • IP65 protection for outdoor installation (basements/carports).
  • Compliance with strict EN 62619 safety standards.

Off-Grid Industrial Systems

Heavy-duty backup solutions optimized for remote agricultural setups, cellular towers, and off-grid facilities.

  • Parallel configuration support for up to 15 packs.
  • Active temperature regulation with internal heaters.
  • Rugged mechanical shock-resistant design.
  • Remote diagnostics via cloud-based monitoring portals.

Technical Roadmap & System Architecture

Our commitment to engineering excellence and technological leadership is defined by this structured progression.

ELITE POWER bridges the gap between raw electrochemical engineering and system-level performance. Our design principles prioritize safety, high energy density, and longevity. We operate on a strict technological roadmap designed to transition from standard LFP configurations to solid-state systems over the next half-decade.

Phase I: Multi-Level Battery Management (BMS)

Deployment of proprietary Master-Slave BMS topologies. Implements precise SOX (State of Charge, State of Health) estimation models with +/- 1% accuracy. Real-time protection against over-voltage, under-voltage, over-current, and extreme temperature fluctuations.

Phase II: High-Efficiency Thermal Management

Advancing from passive convection to active liquid cooling for commercial storage and phase-change material (PCM) layers for residential batteries. Keeps internal cell temperature differences under 3°C to maximize overall pack lifespan.

Phase III: Smart Grid Integration (VPP)

Developing onboard micro-inverter communication protocols for direct participation in Virtual Power Plants (VPP). Dynamic adjustment of charging/discharging rates based on real-time grid pricing data and system frequency changes.

Phase IV: Next-Gen Solid-State Technologies

R&D investment targeting solid-state lithium chemistry. Aiming to double volumetric energy density, eliminate liquid organic electrolytes, and achieve zero-combustion operation under extreme physical damage testing.

Localized Support & Global Compliance Assurance

Mitigating cross-border risks through strict legal, regulatory, and mechanical engineering conformity.

Rigorous Regulatory Certification

Entering regulated markets requires clear, verifiable compliance. ELITE POWER ensures that our products undergo testing at accredited independent testing facilities (e.g., TÜV Rheinland, SGS, Intertek). Our certification roadmap guarantees smooth customs clearances and straightforward grid connection approvals:

  • Safety Standards: IEC 62619, UL 1973, UL 9540A testing protocol.
  • Grid Code Compliance: IEEE 1547, VDE-AR-N 4105, G99, AS/NZS 4777.2.
  • Transportation: UN38.3 (Lithium battery safety testing during transport) and MSDS document kits.
  • Environmental Regulations: RoHS, REACH, WEEE directives for circular economy tracing.

Local Support Infrastructure

Our strategic partnerships allow us to establish localized engineering services in North America and Western Europe. This setup addresses a common issue for international buyers—post-installation technical support.

Through synchronized cloud-monitoring nodes, our service engineers can run remote diagnostics, push OTA (Over-the-Air) firmware updates, and resolve communication mismatches with inverters without requiring onsite technician visits.

Additionally, we offer localized spare-parts distribution models for large-scale developers, ensuring that replacement modules are dispatched within 24-48 hours.

OEM/ODM Battery Storage Systems FAQ

Technical answers to common engineering, procurement, and regulatory integration inquiries.

Why is LiFePO4 chemistry preferred for residential energy storage instead of NMC? +
LiFePO4 (Lithium Iron Phosphate) offers major advantages in safety and cycle life. Its thermal runaway threshold is around 270°C, compared to roughly 150°C for NMC (Nickel Manganese Cobalt), reducing the risk of fire. Furthermore, LiFePO4 cells support 6,000+ cycles at 80% DoD, outlasting NMC batteries which typically degrade after 2,000–3,000 cycles.
How does the strategic USA partnership benefit global and local procurement? +
Established in 2022, our USA partnership ensures that our hardware and software designs meet strict American grid standards, fire codes, and inverter protocols. This collaboration provides localized technical support, simplified warranty processing, and streamlined compliance validation for regional solar installers and commercial developers.
Can your OEM home battery storage integrate with existing grid-tied solar systems? +
Yes, our batteries support both AC-coupled and DC-coupled systems. For retrofitting existing grid-tied setups, an AC-coupled configuration connects the battery directly to the home's AC distribution board via a dedicated battery inverter, allowing easy integration without modifying the original solar array layout.
What customization options are available under OEM/ODM service contracts? +
We provide full-spectrum customization including tailored industrial enclosure designs, metal-sheet dimensions, brand-specific paint colors, internal battery pack capacities, customized BMS firmware (including specialized CAN/Modbus communication databases), and regional certification support (UL, CE, IEC).
How does the active cell balancing in your BMS compare to passive designs? +
Passive balancing dissipates excess energy from high-voltage cells as heat, wasting energy. Our advanced active balancing systems redistribute energy from high-voltage cells to low-voltage cells. This dynamic charge balancing minimizes heat generation, maximizes usable pack capacity, and extends system lifespan by up to 15%.