Two Sizes for All Needs
Mega Power 2500
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Nominal Capacity 2,507 kWh
-
Rated Capacity 2,256 kWh
Mega Power 2700A
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Nominal Capacity 2,742 kWh
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Rated Capacity 2,468 kWh
Unlocking the Full Potential of Renewable Energy
2.7 MWh capacity enables
Approved in Multiple Government Subsidy Programs Total Capacity Adopted 3,033 MWh※1
Why PowerX
Made in Japan
High performance, quality, and safety
Robust Security
End-to-end in-house software development in Japan to ensure security, stability, and full system control
Reliable Support & Maintenance
PowerOS
Standard battery management software for seamless operation
Installationsof Any Scale, Powered by PowerX
Grid Battery Energy Storage System (BESS)
Optimal solutions for high‑voltage, extra‑high‑voltage battery farms with renewable integration
Comprehensive High-Voltage Battery Farm Solution
Integrated supply of BESS, PCS, transformers, switchgear, EMS, and output curtailment units.
Proven Track Record in Government Subsidy Programs
Extensive experience with subsidy application requirements and scoring metrics, with multiple selections by METI, MOE, MLIT, and local governments.
Robust Security from Hardware to Cloud
Multi-layered security ensures safe remote monitoring and stable system operation across all levels.
Commercial & Industrial Battery Energy Storage System (BESS)
Energy storage for carbon reduction, cost savings, and BCP. Optimizes energy use in factories, warehouses, and buildings, adjusting to changing conditions with software-driven control.
Reduction in Electricity Costs 38%
Maximize renewable energy use, reduce peak electricity costs with charging and discharging control.
Increase Renewable Energy Utilization 40%
By integrating batteries with solar power systems, maximize the use of excess power.
Reliable, Japan-Made Battery Systems
Vertically integrated hardware and
PowerX designs and develops everything from hardware to software in-house, ensuring swift and reliable support when it matters most.
Cloud
Site Controller
Energy Management
Battery System Controller
Rack Controller
Module Cotroller
Comprehensive
Security at
Every Level
PowerX systems follow international standards to ensure safe deployment, even in critical infrastructure.
Compliant with Japanese and International Security Standards
Secure Remote-Control System
Robust Information Security Management
Top-Tier
Battery Cells
We use globally proven, cost-effective cells that deliver both high performance and safety, meeting international standards.
Resilience Built In.
Flexibility by Design.
Seismic Resilience
Standard
Wind & Typhoon Resilience
Standard
Advanced Noise Control
OptionalFrom Grid-Scale Storage to Industrial Applications
Front-of-Meter (FOM)
(up to 8 hours)
Behind-the-Meter (BTM)
Battery Storage System Developed by PowerX,
Experts in the Japanese Market
Experts in the Japanese
Expanded Site Possibilities
Flexible layouts enable installation even on smaller sites.
Improved Transport Flexibility
Optimized dimensions and weight make transportation easier and more flexible.
PowerOS for Efficient
Battery Management
Access your real-time energy dashboard
Supporting over 2,500 facilities globally, it ensures secure, timely maintenance and rapid dispatch of on-site support if required.
Deployed Across Japan
Reliable domestic batteries, perfectly sized for your location. Full support from installation to operation.
Two Sizes for All Needs
Mega Power 2500
Mega Power 2700A
Nominal Capacity
2,507 kWh
Rated Capacity
2,257 kWh
Operating Voltage Range
1,040 - 1,477 V
Dimensions
W 2,438 mm
D 2,991 mm
H 2,896 mm
Weight
~25,000 kg
Battery Type
LFP
Cooling Type
Liquid Cooling
IEC62619, IEC 62933,
JIS 8715-2, JIS C4441,
UL9540A, UL1973
JC-STAR ★1 (Level 1)
Nominal Capacity
2,742 kWh
Rated Capacity
2,468 kWh
Operating Voltage Range
850 - 1,241 V
Dimensions
W 2,438 mm
D 6,058 mm
H 2,896 mm
Weight
~29,600 kg
Battery Type
LFP
Cooling Type
Air Cooling
IEC62619, IEC 62933,
JIS 8715-2, JIS C4441,
UL9540A, UL1973
JC-STAR ★1 (Level 1)
Made in Japan batteries, shipped globally.
Talk to us today to secure your energy future.
Grid Connector for BESS
Factory-Integrated for Faster Grid Connection.
Utility Scale Battery Storage Projects
Discover our utility-scale BESS solutions
※1 As of July 8, 2026
BESS inquiries