OPTIM US A300 HY Hybrid Energy Storage System

Scalable 156.8kWh to 1565kWh Commercial Battery Cabinet

The Optim US A300 HY is a fully integrated commercial and industrial battery energy storage system designed for high power applications, electricity arbitrage, demand response and long duration backup.

Engineered with integrated hybrid inverter technology, advanced LFP lithium battery chemistry and intelligent energy management, the A300 HY delivers reliable 400Vac output with scalable capacity from 156.8kWh up to 1565kWh using multiple cabinets.

This system is ideal for factories, warehouses, commercial buildings, EV infrastructure, solar farms and microgrid projects requiring flexible expansion and dependable backup performance.

Key Features

• Hybrid inverter integrated system
• 400Vac three phase output
• Scalable from 156.8kWh to 1565kWh
• 50kW to 500kW inverter configurations
• 96% round trip efficiency at 0.5C-rate
• 0.5C continuous operation
• 98% depth of discharge
• More than 7000 cycles
• Fast transfer time under 10ms (on-grid to off-grid)
• IP55 outdoor rated enclosure
• Aerosol fire extinguishing system
• Air cooling with controlled HVAC
• Peak shaving, energy shifting, self-consumption and backup modes
• Parallel capability up to 5 systems

Scalable System Configurations

The A300 HY supports flexible cabinet and inverter combinations to match different commercial site requirements.

Single Cabinet Options

• 156.8kWh minimum configuration
• 219kWh configuration
• 250kWh configuration
• 313kWh standard configuration

Multi Cabinet Expansion

• 2 cabinets: 626kWh
• 3 cabinets: 939kWh
• 4 cabinets: 1252kWh
• 5 cabinets: 1565kWh

Inverter capacity scales from 50kW up to 500kW depending on the inverter quantity and system design.

Commercial Applications

• Electricity arbitrage
• Demand response participation
• Grid stabilisation support
• Renewable integration
• Long-duration backup
• Industrial peak shaving
• Solar self-consumption optimisation

Why Choose the A300 HY

The Optim US A300 HY provides a turnkey commercial energy storage solution with inverter integration, advanced safety systems and modular scalability. It reduces energy costs, maximises renewable utilisation and ensures business continuity during grid outages.