AES Cabinets & Sinexcel Integrated Packages
Pre-Engineered Microgrid Energy Storage. Bankable. Scalable. Ready.
Pre-Engineered Microgrid Energy Storage. Bankable. Scalable. Ready.
As a Sinexcel integration partner we bring:

We lead with our Cabinet Outdoor Energy Storage, designed for seamless integration with Sinexcel PCS and other inverter platforms. Our integration efforts support a simple goal, to deliver more value through every battery we ship. We ensure each battery deployment is:
| Part Number | Description | 690V Power | kWh |
|---|---|---|---|
| CAB426-3/SXL-3M3/---VAC* | Sinexcel PCS 3P3W 690V 50/60Hz | 3×418kWh Discover CAB-426 | ComAp MGC IN5500 | 620 kW | 1250 kWh |
| CAB426-4/SXL-4M4/---VAC* | Sinexcel PCS 3P3W 690V 50/60Hz | 4×418kWh Discover CAB-426 | ComAp MGC IN5500 | 830 kW | 1670 kWh |
| CAB426-5/SXL-5M5/---VAC* | Sinexcel PCS 3P3W 690V 50/60Hz | 5×418kWh Discover CAB-426 | ComAp MGC IN5500 | 1040 kW | 2090 kWh |
| CAB426-6/SXL-6M6/---VAC* | Sinexcel PCS 3P3W 690V 50/60Hz | 6×418kWh Discover CAB-426 | ComAp MGC IN6000 | 1250 kW | 2500 kWh |
| CAB426-7/SXL-7M7/---VAC* | Sinexcel PCS 3P3W 690V 50/60Hz | 7×418kWh Discover CAB-426 | ComAp MGC IN6000 | 1460 kW | 2920 kWh |
| CAB426-8/SXL-8M8/---VAC* | Sinexcel PCS 3P3W 690V 50/60Hz | 8×418kWh Discover CAB-426 | ComAp MGC IN6000 | 1670 kW | 3340 kWh |
* Replace the dashes (---) with the voltage requirement of the Power Conversion System – PCS.
† Supports 208VAC, 480VAC, and 600VAC with a transformer.

• Prevalidated communication via LYNK II (closed-loop CAN/Modbus between Cabinets and Sinexcel).
• Seamless PCS paralleling via ComAp MGC (grid, DER, genset integration).
• One SKU, one commissioning pathway.
• Multi-MWh with modular cabinets.
• PCS scaling from 450 kW to 1.7 MW depending on AC voltage and module count.
• Parallel expansion on the AC bus without redesign.
• Choice of 480V, 600V, 690V AC backbone for flexibility.
• Cabinet: UL9540, UL9540A, IEC62619, full fire suppression, thermal runaway mitigation.
• Sinexcel PCS: UL1741-SB, IEEE1547, global grid codes.
• ComAp MGC: Certified to international EMC and safety standards, hot-swap redundancy, black start capability.
• Grid-following & Grid-forming VSG capability.
• Black start & islanding support.
• Renewable-first dispatch logic.
• Coordinated BESS Operation.
• Peak Shaving, Demand Charge Reduction & TOU Shift
• Resiliency and Reliability, Backup Power & Critical Infrastructure.
• Renewable Integration, Self-consumption, EV Charging and Heavy Infrastructure Support.

POWER CONVERSION SYSTEM
High Power Range. Scalable from 125 kW to 1.72 MW per unit.
Outdoor Rated. NEMA 3R / IP54 enclosure.
High Efficiency. Up to 98.5% peak efficiency for maximum energy throughput.
Full Synchronous Operation. ComAp controller leverages Virtual Synchronous Generator (VSG) mode to deliver true synchronous performance, eliminating transfer delays and ensuring seamless transitions.
Advanced Grid Support. Grid-following for non-resilient applications, enabling full flexibility.
Flexible Integration. Standard Modbus TCP/RTU communications ensure smooth interoperability with BMS, EMS, and SCADA systems.

OUTDOOR C&I ENERGY STORAGE
Space-Efficient. High-energy density cabinet with optimized thermal management.
Scalability. Configurable to meet power and capacity requirements.
High Efficiency. Up to 94% round-trip efficiency (RTE).
Enhanced Safety. Audible and visual alarms with E-stop, heat and smoke detection, aerosol fire suppression and passive deflagration vent.
Flexible Integration. Compatible with third-party PCS, SCADA, and EMS systems.
Durable and Long-Lasting. Engineered for a 20-year service life, designed for easy maintenance and serviceability

MICROGRID CONTROL
The ComAp controller acts as the central coordinator of the system architecture, delivering grid synchronization, automated breaker control, and VSG-based grid-forming for seamless transitions with no transfer delay.
This microgrid control ensures resilient operation with black start capability, advanced power management, and precise PLC-driven control of BESS, PCS, renewables, and gensets.
With built-in cybersecure communications, remote monitoring, and global grid code compliance, ComAp provides the highest level of reliability, security, and system resiliency.
With over 4GW+ PCS shipped globally, Sinexcel offers unmatched modularity, serviceability, and compliance for grid-tied, islanded, and hybrid environments. From 130 kVA rack systems to multi-megawatt outdoor solutions, Discover integrates these inverters to deliver:
• Black-start and VSG-capable systems
• High-throughput cabinet-based storage
• Fully modular, scalable designs from 130kW to >5MW
ComAp delivers intelligent control solutions that combine robust hardware, pre-programmed firmware, and intuitive software to simplify complex energy systems. Their controllers are modular, and integration-ready, making it easy to manage gensets, renewables, batteries, and grid connections.
• Supports scalability for multi-BESS and multi-PCS projects.
• Simplifies commissioning with a pre-engineered control layer.
• Ensures reliable, bankable performance for critical applications.
Contact us to get started designing your project with Discover + Sinexcel.
