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Premium Battery Energy Storage System (BESS) Solutions

With 14 years of innovation in battery and power systems, Wenergy manufactures battery energy storage system that integrates energy management into a modular, compact, and easy-to-deploy solution. Whether combined with EV charging, rooftop solar, wind, or other renewable sources, our system helps reduce energy costs, increase independence, and enhance resilience while unlocking new revenue streams.

Wenergy is a reliable battery energy storage system Manufacturer, providing capacity from kWh to MWh for residential, commercial, and utility applications. Integrated with a smart energy management platform, the systems store and dispatch electricity during peak hours to reduce demand charges, stabilize loads, and improve overall energy efficiency.

Highly scalable and customizable, our battery energy storage system solutions can be tailored to specific capacity needs, supporting both on-grid and off-grid operations. Additionally, selected models can optionally integrate with STS, MPPT, AST, and EV chargers, providing greater flexibility and reliability in energy use.

Key Features of Wenergy’s Battery Energy Storage System (BESS) 

• Plug-and-Play Installation: Pre-assembled and factory-tested for rapid on-site deployment, significantly reducing installation time and labor costs.

• Modular and Scalable: Expandable platform with capacities from 5kWh to 6.25MWh, suitable for residential to utility-scale projects.

• Hybrid Compatibility: Supports both on-grid and off-grid modes, seamlessly integrating with solar PV, diesel generators, and other energy sources.

• High-Performance Cells: Equipped with 314Ah battery cells, delivering 30% higher energy density for improved efficiency and longer lifespan.

• Intelligent Energy Management: Powered by an AI-driven iEMS, the battery energy storage system BESSachieves real-time optimization, predictive analytics, and multi-mode operation to maximize overall system value.

• Rugged Protection: IP65-rated enclosure ensures reliable outdoor operation under harsh environmental conditions.

• Certified Safety: Compliant with UL9540A, IEC 62619, and UN38.3 standards, with over 100 global deployments and a proven zero-incident safety record.

Wenergy – Leading Battery Energy Storage System Manufacturer 

With 14 years of dedicated expertise, Wenergy ranks among the industry’s top BESS manufacturers, offering fully customized solutions tailored to regional standards, brand requirements, and engineering specifications. Choosing Wenergy means partnering with a safe, efficient, and cost-effective energy provider committed to long-term success.

From Factory to Global Markets

Backed by a 660,000+ m² R&D and manufacturing base and 15GWh annual production capacity, Wenergy operates as a factory-direct battery energy storage system supplier. Our streamlined production and supply chain ensure consistent quality, competitive pricing, and fast delivery for global partners.

Integrated BESS Solutions for Professional Applications

As battery energy storage system experts, we offer integrated BESS solutions that combine batteries, PCS, BMS, EMS, and thermal management into a unified system architecture. This ensures stable performance, simplified deployment, and enhanced safety across diverse application scenarios, meeting the expectations of engineering firms, EPC contractors, and large-scale project developers.

Global Quality Assurance

Wenergy’s battery energy storage systems are produced with advanced manufacturing processes and strict quality management. Our products comply with IEC/EN, UL, CE, and other major international standards, ensuring safety, reliability, and long-term operation for global partners seeking high-quality BESS solutions.

Reliable Warranty & Service Support

Our system comes with up to 10 years of warranty and comprehensive after-sales support. From product training and installation to maintenance and troubleshooting, we provide fast response to ensure safe and long-term system operation.

Frequently Asked Questions 

1、What Is a Battery Energy Storage System (BESS)? 

A Battery Energy Storage System (BESS) is an integrated solution that combines battery packs with PCS, BMS, thermal management, and fire protection. It stores energy, stabilizes the grid, and supports renewable energy integration with safe, efficient, and reliable operation.

2、What Certifications Do Your Systems Have? 

Our battery energy storage systems are certified to major international standards, including UL 1973, UL 9540, UL 9540A, IEC, CE, VDE, G99, and UN38.3, meeting safety and compliance requirements across North America, Europe, Asia, and other markets. TÜV, SGS, and other independent third-party testing further guarantee reliability for global deployment.

3、How Long Will It Take to Receive My System? 

We operate warehouses in China, the Netherlands, and South Africa. Delivery typically takes 8-12 weeks for standard cabinet systems and 12-16 weeks for containerized BESS solutions. As experienced battery energy storage system suppliers, we handle regional shipping requirements to ensure safe and on-time delivery to your project site.