AlphaESS Aster 6260
6.26 MWh Liquid-Cooled BESS
Multi-Scenario Ready Energy Storage System
More energy. Less space. More value.
Higher Energy Density, Less Footprint
Back-to-back, side-by-side.
Active Multi-Level Balancing
Cell-to-cell energy transfer across clusters.
Higher consistency. More capacity. Longer battery lifetime.
Multi-String Ready
Compatible with both centralized and string PCS. Keeps more of the system online and earning, even under partial fault conditions.
Four layers of protection. Zero compromise.
Cell-Level Aerogel Thermal Barrier
Aerogel insulation between every cell stops heat at the source, containing thermal runaway before it can propagate.
Intelligent Liquid Cooling
Precision thermal management with automatic coolant replenishment maintains optimal cell temperature across environments for reliable performance.
Multi-Level Fire Suppression
Module-level aerosol, sprinkler backup, and redundant smoke, heat, and combustible gas detection enable rapid response.
NFPA 69 & UL 9540A Compliance
Millisecond-response directional venting panels direct pressure upward, protecting personnel and assets to meet stringent safety standards.
Factory-ready. Field-proven. Built for the long run.
Plug-and-Play Deployment
Local BMS pre-integrated and verified at the factory.
Single-Cluster Isolation
No shutdown. No lost revenue. No intervention required.
Hot-Swap Maintenance — Zero Draining
Dual shut-off valves enable replacing battery modules without draining the coolant loop.
Grid Stability & Resilience
Not just storage. Active grid support — when and where it matters.
Inertia Response
Real inertia support for grid frequency stability and access to fast frequency regulation markets.
Black Start Capability (Optional)
Island microgrids. Emergency recovery. Remote off-grid sites. Built for scenarios where grid reliance is not an option.
Multi-Environment Rated
IP55 container. IP67 modules. -40°C to +50°C operating range. Up to C5 Corrosion Protection — coastal, desert, industrial, arctic.
Cybersecurity Design
IEC 62443 compliant across BMS layer — operational security and regulatory readiness are built in.
Aster 6260
| Dimensions (W × D × H) | 6,058 × 2,438 × 2,896 mm (20 ft) |
| System Weight | 48 t |
| Nominal Capacity | 6,261.96 kWh |
| Battery Chemistry | LFP (LiFePO₄) |
| Rated Power (Charge/Discharge) | 3,130.98 kW (0.5P) |
| BMS Balancing Type | Active Balancing |
| Ingress Protection | IP55 |
| Noise Level | ≤ 70 dB@1m (0.5P) / 60 dB@1m (0.25P) |
| Fire Protection System | Aerosol + Sprinkler |
| Cooling Method | Liquid Cooling |
| Nominal Voltage | 332.8 V |
| Nominal Capacity | 195.69 kWh |
| Nominal Charge/Discharge Power | 97.84 kW (0.5P) |
| Ingress Protection | IP67 |
| Operating Temperature Range | -40°C to +50°C |
| Weight | 1,200 kg |
| Dimensions (W × D × H) | 1,245 × 2,210 × 258 mm |
Your Trusted Partner with Local Support
In-House Service Team
Expert, responsive support from commissioning to on-site service.
Local Technical Support
German technical expertise, local service engineers, and continuous training ensure long-term support.
Local Warehouse & Spare Parts
Fast spare parts dispatch to minimize system downtime.
Intelligent Manufacturing
Technology-driven manufacturing with efficient, precise, and reliable production.
Utility-Scale Energy Storage Success Stories
One of the Largest Energy Storage Power Station Projects (Under Commisioning)
One of the Largest Battery Energy Storage Systems in the Logistics Sector
Lingen Municipal Energy Storage Project
High Snow Load Energy Storage Project
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Tell us about your project. Our team responds within 24 hours.
Frequently Asked Questions
For detailed compatibility information on specific PCS brands and models, please contact AlphaESS.
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To simplify integration, AlphaESS provides a BMS–EMS integration SOP, enabling new EMS partners to complete system integration efficiently. We can also recommend suitable EMS solutions based on your project requirements.
For project-specific recommendations, please contact AlphaESS.
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For countries or regions with specific market access requirements, AlphaESS can evaluate and support the necessary certification and compliance process.
For the latest information on certifications, delivery schedules, or project availability in your country, please contact AlphaESS.
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