AES CABINET
OUTDOOR INDUSTRIAL ENERGY STORAGE
For <1500 V systems from 1.5 MWh and above, customizable BESS solution to be paired with your choice of PCS and EMS.
AES CABINET
250 kWh, 300 kWh, 350 kWh, and 400 kWh BESS
Fully customizable, robust industrial performance
Residential Buildings
Commercial Offices
EV Charging Stations
Restaurants, Convenience & Grocery Stores
Banks, Pharmacies &
Schools
Data Centers, Warehouses & Industrial Facilities
AES Cabinet PCS Integrations
A compact, modular industrial BESS fully customizable for a wide range of applications
Industrial Self-Consumption (Arbitrage)Store energy during low demand or high renewable output, discharge during peak demand, and cut grid reliance. |
Demand ResponseDeliver rapid-response storage to balance supply-demand, stabilize frequency, and integrate renewables. |
Microgrid & Off-Grid SupportPower microgrids with reliable storage, ensuring energy for remote areas and outages. |
EV Charging SupportStore energy and manage loads to expand EV infrastructure while easing grid strain. |
Critical Infrastrastructure and Energy ResilienceUL 9540-certified systems provide instant backup during grid failures |
PRODUCT FEATURES
Space-efficient cabinet form factor with optimized thermal management.
Configurable to meet various power and capacity requirements, easily expanded as needed.
Achieves up to 94% round-trip efficiency (RTE) for DC charge/discharge.
UL1973 Certified, UL9540A tested and UL9540 DC ESS (3rd Edition) other relevant standards, ensuring a high level of safety and reliability.
Incorporates temperature and smoke detection; with active fire suppression and controlled ventilation.
Fully compatible with third-party PCS, SCADA, and EMS systems, enabling tailored system architectures.
Engineered for a 20-year service life, designed for easy maintenance and serviceability.
Compact enclosure reduces footprint, simplifies installation, and speeds project timelines.
AES Cabinet System Specifications
| Model Number | CAB-266 | CAB-318 | CAB-372 | CAB-426 |
|---|---|---|---|---|
| Configuration |  260S1P (5 packs @ 52S1P) |
 312S1P (6 packs @ 52S1P) |
 364S1P (7 packs @ 52S1P) |
 416S1P (8 packs @ 52S1P) |
| Nominal Energy Capacity | 266 kWh | 318 kWh | 372 kWh | 426 kWh |
| Usable Energy Capacity | 261 kWh | 313 kWh | 366 kWh | 418 kWh |
| Battery Max. Continuous Power | 131 kW | 157 kW | 183 kW | 209 kW |
| System Nominal Voltage | 832.0 V | 998.4 V | 1164.8 V | 1331.2 V |
| Voltage (Min) | 780 V | 936 V | 1092 V | 1248 V |
| Voltage (Max) | 897 V | 1076.4 V | 1255.8 V | 1435.2 V |
| Usable Cell Capacity | 314 Ah | |||
| Continuous Current | 157 A | |||
| Nominal Cell Capacity | 320 Ah | |||
| RTE | 94% | |||
| Temperature | −30°C to 55°C (−22°F to 131°F) | |||
| Communication | CAN, RS485 | |||
| Cooling Method | Liquid Cooling | |||
| Protection Level | IP55 (NEMA 3R) | |||
| Product Weight | 2850 kg (6285 lb) |
3190 kg (7050 lb) |
3570 kg (7875 lb) |
3930 kg (8675 lb) |
| Dimensions | 1300 × 1300 × 2375 mm (51 × 51 × 93 in) | |||
| Testing & Certifications | UN38.3, UL1973, UL9540A, UL9540, IEC62619, IEC62933, IEC61000 | |||
Learn About Discover Energy Systems' Commercial & Industrial Energy Storage Applications
Commercial energy storage systems deliver measurable ROI across diverse applications—from peak shaving and microgrid resilience to critical backup power and off-grid independence.
Cut demand charges • Optimize load profiles • Maximize solar self-consumption
Automatically discharge during peak demand periods to reduce utility bills.
Grid independence • Renewable integration • Disaster resilience
Deploy grid-tied or islanded microgrids for complete energy autonomy
Uninterrupted operations • Protect revenue • Meet compliance
UL 9540-certified systems provide instant backup during grid failures
Avoid demand charges • Buffer peak loads • Enable fast charging
Enable fast-charging infrastructure in limited grid capacity locations
Energy independence • Eliminate diesel dependency • 24/7 operations
Power remote facilities, mining operations, and island communities
How do I work with Discover?
Discover sells its commercial products through distribution, EPCs and developers. Tell us about you and your company, and a member of our sales team will reach our to you shortly.