MWBESS-400 Battery Energy Storage System

Available for Hire & Sale Across Ireland

Powerful. Reliable. Sustainable.

The MWBESS-400 is a high-performance Battery Energy Storage System (BESS) designed to deliver reliable, efficient, and low-emission power for a wide range of applications. Whether you're powering a construction site, supporting renewable energy projects, running temporary installations, or reducing generator fuel consumption, the MWBESS-400 provides a flexible and cost-effective energy solution.

Key Benefits

• 250kW Continuous Power Output

• 400kWh Usable Battery Capacity

• High-Efficiency System (>95%)

• Advanced Lithium Iron Phosphate (LFP) Battery Technology

• Over 5,000 Charge Cycles

• Remote Monitoring via 4G, WiFi, Ethernet and RS485

• Integrated Fire Detection and Suppression Systems

• Generator and Grid Compatible

• Parallel Capability for Increased Capacity

• Reduced Fuel Consumption and Carbon Emissions

Ideal Applications

• Construction Sites

• Infrastructure Projects

• Events and Festivals

• Data Centres

• Renewable Energy Installations

• Temporary Power Solutions

• EV Charging Support

• Utilities and Grid Support

• Industrial Facilities

• Peak Shaving and Load Management

Built for Performance

With a usable capacity of 400kWh and a continuous output of 250kW, the MWBESS-400 is engineered to provide dependable power when and where it is needed most. Its advanced LFP battery technology delivers exceptional safety, long service life, and reliable performance in demanding environments.

The unit is designed to operate in temperatures ranging from -40°C to +50°C and features an IP54-rated enclosure with IP67-rated battery packs, making it suitable for harsh site conditions throughout the year.

Advanced Safety Features

Safety is at the core of the MWBESS-400 design. The system includes:

• Continuous battery cell monitoring

• Multi-parameter environmental sensing

• Shock and movement detection

• Integrated fire alarm system

• Aerosol fire suppression technology

• 24/7 monitoring and alert capabilities

Sustainable Energy Storage

The MWBESS-400 supports businesses looking to reduce fuel costs, lower emissions, and improve sustainability performance. Its long-life battery technology and serviceable battery packs help maximise asset life while supporting circular economy initiatives through battery refurbishment and second-life applications.

Technical Overview

Rated Power: 250kW

Continuous Power: 250kW

Usable Capacity: 400kWh

Battery Chemistry: Lithium Iron Phosphate (LFP)

System Efficiency: >95%

Cycle Life: Over 5,000 Cycles

AC Voltage: 400V Three Phase / 230V Single Phase

Frequency: 50/60Hz

Operating Temperature: -40°C to +50°C

Protection Rating: IP54 Enclosure / IP67 Battery Packs

Warranty: 5 Years

Available from Battery Energy Ireland

Battery Energy Ireland, part of the MW Hire Group, provides industry-leading battery storage solutions for both hire and sale. Our team can help design the right energy solution for your project, whether you require short-term rental, hybrid power integration, peak load management, or a permanent battery energy storage installation.

Reduce Fuel Costs. Lower Emissions. Power Your Project Smarter with the MWBESS-400.