Custom OEM Commercial Energy Storage Manufacturer & Factory

Pioneering Tier-1 industrial BESS engineering, high-efficiency LiFePO4 configurations, and custom energy conversion architectures. Designed for commercial resiliency and clean transition.

Pioneering Energy Solutions

Explore our premium product portfolio designed for high efficiency, high cycle life, and absolute utility integration.

15kWh 20kWh 30kWh 50kWh High Voltage Lithium Solar Battery Pack

15kWh 20kWh 30kWh 50kWh High Voltage Lithium Solar Battery Pack HV Energy Storage Lithium Ion Batteries 409.6V Lifepo4 Battery

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Home Hybrid Solar Power Supply System

Home 5kw 10kw 20kw Hybrid off Grid on Grid Solar Power Supply System LiFePO4 Lithium Battery Smart Energy Storage System

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Glgw Kf1-CD1 5kwh Wall Mounted Hybrid Inverter

Glgw Kf1-CD1 5kwh Wall Mounted Home Energy Storage Hybrid Inverter Solar Panel Energy System Lithium Battery

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Solar Lithium Ion Battery Energy Storage

12.8V 48V 51.2V Solar Gel Deep Cycle 6000 Times Li-ion LiFePO4 Phosphate Rechargeable Hybrid Home Energy Storage Lithium Ion Battery

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Hybrid Solar Energy System with Lithium Battery

Hybrid Complete Solar Panel Energy System with Lithium Battery and Inverter for Home Solar on off Grid Power Kit Solar Set

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12V LiFePO4 Batteries

12V LiFePO4 Batteries 12V 200ah Lithium Solar Storage Deep Cycle Battery

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Home Energy Storage Battery

Energy Storage Battery for Home Use off Grid Hybrid Solar System

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5years Warranty 8000 Cycle Batteries

5years Warranty 8000 Cycle Long Life 12V/24V/48V 50ah/100ah/200ah/400ah LiFePO4 Lithium Ion Rechargeable Batteries for Solar/UPS/Telecom/Power Battery

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Shenzhen Suntherra Battery Co., Ltd.

A Globally Recognized Pinnacle of Engineering in Electro-chemical Storage Technology Since 2014

Established in 2014 and strategically located in Shenzhen, China, Shenzhen Suntherra Battery Co., Ltd. has established itself as an authoritative leader and prime OEM/ODM manufacturer in the global renewable energy storage industry. Operating from a highly modern, fully integrated production facility spanning approximately 12,000 square meters, we host an elite technical force of more than 180 skilled staff members. This multidisciplinary cohort comprises veteran electro-chemical engineers, advanced BMS software developers, thermal dynamics specialists, meticulous Quality Control (QC) inspectors, and dedicated international technical sales professionals.

Our factory features state-of-the-art automated cell sorting, high-precision spot welding, comprehensive capacity testing chambers, and rigorous environmental simulation units. By maintaining complete control over the supply chain—from high-grade cell sourcing to final quality inspection—we ensure that every energy storage solution we deliver guarantees maximum energy density, impeccable thermal safety, and an industry-leading cycle life. Whether you are a national grid operator, a commercial project developer, or an OEM brand owner, our technical depth serves as your greatest competitive advantage.

Advanced R&D Depth

Our continuous investment in solid-state advancements and high-voltage BMS intelligence drives efficiency, yielding over 8,000 thermal-stable operating cycles in premium modules.

Robust OEM/ODM Architecture

From customizable form factors and enclosure IP-ratings to customized communication protocols (CANbus, RS485, Modbus), we engineer bespoke energy profiles.

Zero-Compromise Safety

Certified to international safety compliance metrics including UL 1973, UL 9540A, CE, IEC 62619, and UN38.3, assuring seamless grid-tie permissions globally.

Macro Energy Storage Solutions

Architecting Grid Resiliency, High-Capacity Peaking, and Industrial Decarbonization Pathways

Modern macro energy networks are facing unprecedented challenges due to the rapid injection of volatile renewable energy generation. Shenzhen Suntherra Battery Co., Ltd. provides utility-scale BESS (Battery Energy Storage Systems) that act as stabilizing pillars for localized and regional transmission lines. By utilizing high-capacity LiFePO4 chemistry coupled with active liquid thermal systems, our systems allow grid operators to mitigate grid frequency fluctuations, manage rapid load peaks, and securely black-start critical sub-stations.

For industrial applications, our containerized battery systems facilitate massive Peak Shaving and Load Shifting operations. This enables enterprises to store energy when utility pricing is at off-peak rates and discharge the power during high-rate intervals. This yields substantial financial savings while protecting expensive machinery from voltage sags and unexpected power quality anomalies.

Peak Shaving & Tariff Optimization

Leverage high-rate storage dynamics to bypass expensive utility demand charges, stabilizing long-term energy budgets for manufacturing plants and large commercial facilities.

Renewable Energy Integration

Smooth the intermittent output curve of large-scale solar arrays and wind parks, converting unpredictable green generation into dispatchable base-load asset capacity.

Microgrid & Black Start Capabilities

Provide stand-alone operational continuity for remote islands, mines, and localized grids during master-grid structural failures, restoring power reliably.

Global Commercial & Industrial (C&I) Outlook

Strategic Regional Trends, Decarbonization Mandates, and Technical Deployments

The global transition to a low-carbon economy is no longer a purely environmental goal—it is a critical economic imperative. Regulatory framework directives, such as Europe’s Green Deal, the United States' Inflation Reduction Act (IRA), and strict net-zero mandates across the Asia-Pacific region, are forcing businesses to integrate storage solutions. At the same time, regional grids are suffering from thermal power plant closures, resulting in escalating electricity costs and power quality instability.

Our global presence spans active distribution channels and enterprise integration projects in Europe, North America, Africa, and Southeast Asia. We recognize that each geographic market presents unique infrastructure characteristics:

  • North America: High demand for UL-compliant containerized units to combat high demand-charge tariffs and provide fast-frequency response.
  • Europe: Rapid integration with industrial solar-PV clusters, guided by strict CE and EN standards, emphasizing high round-trip efficiency (RTE) and dynamic spot-market trading.
  • Africa & Southeast Asia: Primary focus on mini-grid development, off-grid backup systems, and replacing diesel generator networks with reliable, long-cycle LiFePO4 battery banks.

OEM/ODM Customization & Systems Engineering

Unlocking Custom Battery Packs, High-Performance BMS Protocols, and Robust Enclosures

Shenzhen Suntherra Battery Co., Ltd. excels at offering customized OEM/ODM solutions tailored to exact client requirements. We understand that a standardized, generic model rarely meets the demands of specialized commercial applications. Our design engineers work closely with system integrators and EPC contractors to conceptualize, prototype, and manufacture custom battery architectures.

Custom Battery Packs & Chemistry Selection

Choose from a wide variety of chemistries tailored to your application's operating profile. We offer Lithium Iron Phosphate (LiFePO4) for high cycle life and thermal stability, as well as robust Gel and AGM variants for cost-effective backup and harsh environments.

Intelligent BMS Integration & Protocols

Our intelligent, in-house designed Battery Management Systems (BMS) monitor critical cell variables in real time. We support communication protocols such as CANbus, RS485, and Modbus TCP/RTU, allowing seamless integration with leading commercial hybrid inverters and SCADA systems.

Structural Design & Enclosure Ratings

We design battery enclosures for diverse installation conditions. Options include IP65/IP66 rackmount kits, slim wall-mounted systems, stackable high-voltage modules, and utility-grade IP54 outdoor cabinets with integrated HVAC climate control.

2014
Established Year
12,000㎡
Production Facility
180+
Expert Staff
8,000+
Cycle Life (LiFePO4)

Localization Support & Global Compliance Safeguards

Aligning with International Grid Codes, Quality Certifications, and Engineering Support Services

Navigating international regulatory landscapes is a major challenge when deploying large-scale commercial battery systems. Shenzhen Suntherra Battery Co., Ltd. provides robust compliance support to streamline your project approval process. Our products are designed, tested, and certified according to the strictest global regulatory standards:

Safety Standards

Full certification under UL 1973, UL 9540A, and IEC 62619, ensuring absolute thermal safety compliance.

Grid Interconnection

Compliant with local grid requirements, facilitating simple, fast, and secure utility connections worldwide.

Logistical Safety

Certified under UN38.3 and MSDS requirements for secure, hazard-compliant international shipping.

Global Distribution

Robust logistics channels spanning Europe, North America, Africa, and Southeast Asia to minimize lead times.

Technology Roadmap & Future Outlook

Investing in Sodium-Ion, Solid-State Chemistries, and Intelligent Cloud-BMS Platforms

As energy systems evolve, Shenzhen Suntherra Battery Co., Ltd. is continuously innovating to stay at the forefront of the industry. Our ongoing research and development initiatives focus on next-generation battery architectures designed to deliver lower levelized costs of storage (LCOS), improved safety, and long-term sustainability.

Our technology roadmap features two primary areas of development:

  • Sodium-ion & Solid-state Cell Research: We are actively developing sodium-ion battery platforms to provide a highly cost-effective and resource-secure alternative for stationary applications. Additionally, our research into solid-state battery technology aims to achieve unparalleled energy densities with complete thermal safety.
  • AI-driven Predictive Cloud-BMS: We are launching an advanced IoT-based cloud monitoring system. This platform uses machine learning algorithms to analyze cell degradation patterns, predict potential thermal issues before they occur, and optimize charge/discharge strategies in real time to maximize operational lifespans.

Robust Industrial & Commercial Selection

Discover our high-capacity outdoor cabinets, rackmount arrays, and deep cycle storage options.

Portable Energy Battery 48V 51.2V

Portable Energy Battery 48V 51.2V 300ah Lithium Ion Battery 15kwh LiFePO4 Battery Home Solar System

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Commercial Solar Battery Energy Storage 215kwh

Commercial Solar Battery Energy Storage 215kwh Outdoor Energy Storage Cabinet 768V 280ah Battery MPPT PV Converter

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Long Lasting 100ah AGM Gel Battery

Long Lasting 100ah VRLA AGM Gel Battery for Solar

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High Voltage Stackable Split Battery

High Voltage Stackable Split Battery 15kWh 20kWh 30kWh 40kWh Lifepo4 IP65 BESS HV Lithium Battery Pack Home Solar Energy Storage

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12V150ah VRLA Battery Lead Acid Battery

12V150ah VRLA Battery Lead Acid Battery Gel Battery UPS Battery Storage Battery Mf Battery AGM Battery Solar Battery

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Deep Cycle Battery 12V 24V 200ah

Deep Cycle Battery 12V 24V 200ah Gel Lead Acid Battery off Grid Storage Solar Gel Battery Electric 12V Battery Rechargeable for Home Energy Storage

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Dah Solar Batterie Lithium 51.2V

Dah Solar Batterie Lithium 51.2V 314ah 16kwh 8000 Cycle Life Wall-Mounted IEC CE for Industrial & Commercial Energy Storage System

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10 Years Long Life Solar Battery

10 Years Long Life Solar Battery 12V 140ah VRLA AGM Battery Deep Cycle Rechargeable Maintenance Free

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Advanced Manufacturing Facility & Engineering Hub

Step Inside Our 12,000㎡ Modern Production Facilities and Quality Testing Chambers in Shenzhen

Shenzhen Suntherra Factory Floor
Advanced Automated Battery Assembly Line
Lithium Battery Capacity Testing Chamber
Battery Management System R&D Testing
High Voltage Stackable Testing Line
Suntherra Final Inspection Area
Environmental Simulation Chambers
Quality Assurance & Safe Shipping Warehouse

Expert Q&A on Commercial Energy Storage

Technical Insights from Our Senior Electro-chemical Engineering Team

Q1: What are the primary advantages of utilizing LiFePO4 chemistry over other battery technologies?
Lithium Iron Phosphate (LiFePO4) offers exceptional safety and longevity for commercial applications. It exhibits strong thermal stability, eliminating risks of thermal runaway common in older chemistries. Additionally, it delivers over 6,000 to 8,000 cycles at 80% Depth of Discharge (DoD), yielding a significantly lower levelized cost of storage (LCOS) over a typical 10 to 15-year operational lifespan.
Q2: How does Suntherra customize Battery Management Systems (BMS) for commercial integrations?
We offer full BMS customization. Our software engineers can program bespoke battery protection thresholds, adjust active balancing currents, and integrate major communication protocols, including CANbus, RS485, and Modbus TCP/RTU. This ensures seamless interoperability with any standard industrial inverter or SCADA network.
Q3: Can your battery cabinets be safely installed outdoors in extreme climates?
Yes. Our specialized outdoor energy cabinets (such as our 215kWh systems) are housed within robust IP54 or IP55-rated double-walled enclosures. These cabinets feature integrated industrial HVAC thermal management systems (heating and liquid or air cooling) that keep the battery cells within their optimal operating range of 15°C to 30°C, even in harsh external temperatures.
Q4: What certifications do Suntherra products possess for global compliance?
We prioritize strict safety compliance. Our systems are certified under major international standards, including UL 1973 for battery packs, UL 9540A for thermal runaway fire testing, IEC 62619 for industrial storage safety, and CE for the European market. Our logistics processes are fully compliant with UN38.3 safety transport guidelines.
Q5: How does Peak Shaving optimize commercial and industrial electricity costs?
Peak Shaving operates by tracking local grid consumption. When your facility’s load reaches a predefined peak threshold, our BESS automatically discharges power to cover the excess load. This reduces the maximum power drawn from the grid, allowing businesses to avoid high peak-demand charges.
Q6: What services are included under Suntherra's OEM/ODM partnership framework?
Our comprehensive OEM/ODM services cover cell capacity selection, customized voltage configuration, custom casing, unique brand logo printing, modified BMS communication architectures, and certified, safe shipping packaging. We provide full engineering support from initial conceptualization to global deployment.
Q7: How does your facility ensure consistent quality across large-volume production runs?
Operating from our 12,000 square meter ISO 9001-certified factory in Shenzhen, we utilize fully automated cell sorting, advanced laser welding systems, and multi-stage QC workflows. Every individual battery cell undergoes precise capacity, internal resistance, and voltage grading before assembly. After assembly, finished battery packs undergo extended high-current cycling and environmental chamber tests to guarantee reliability.
Q8: What is your technology roadmap regarding future solid-state or sodium-ion integrations?
Our R&D team is actively working on sodium-ion battery platforms for stationary energy applications where high energy density is less critical than resource availability. Concurrently, we are researching solid-state electrolytes to achieve higher energy densities while maintaining complete safety. We expect to begin limited trial productions of these chemistries in the coming years.