AI Air-Cooling Outdoor ESS Cabinet

Raydafon Group's AI Air-Cooling Outdoor ESS Cabinet delivers intelligent thermal management for energy storage, maximizing safety and efficiency even in extreme conditions. Perfect for solar farms and industrial backup, its smart cooling extends battery life while reducing energy loss.

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Product Description

What Is an AI Air-Cooling Outdoor ESS Cabinet?

An AI air-cooling outdoor ESS cabinet is a modular integrated energy storage system that combines LFP battery storage, PCS, BMS, EMS, and optional PV MPPT inside a single outdoor-rated enclosure. The "AI" refers to the intelligent thermal management and cloud-connected monitoring that keeps the system running at optimal efficiency, while "air-cooling" describes the fan-based heat dissipation design — a lower-cost alternative to liquid cooling for moderate power density applications. RAYDAFON's RD-ESS-AC series delivers 215.04 kWh rated energy capacity in a IP54-rated outdoor cabinet, integrating solar input, grid connection, and load output in one modular building block.

215.04 kWh LFP 1200 kW PCS IP54 Outdoor Rated PV + Storage + Charge Integrated

How the Four Ports Work Together

Solar Array Optional MPPT

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Battery + BMS 215.04 kWh LFP

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PCS + EMS 1200 kW Bi-Directional

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Grid / Load 380/400 Vac

The cabinet integrates four energy ports into one control architecture: PV input through optional MPPT channels, DC battery storage with active BMS, bi-directional PCS for grid interaction, and AC output to the load. The integrated EMS coordinates all four ports in real-time, executing peak shaving, PV self-consumption, demand response, and backup power logic based on site requirements and grid conditions.

RAYDAFON AI air-cooling outdoor ESS cabinet integrating PV, battery, PCS, and EMS in one 215 kWh IP54 cabinet — Figure 1: RAYDAFON AI air-cooling outdoor ESS cabinet — 215.04 kWh LFP battery, 1200 kW PCS, and optional PV MPPT in one IP54 enclosure

Key Design Features

Economical & Efficient

Long-cycle LFP cells, highly integrated modular design, and intelligent temperature control reduce total cost of ownership and maximize energy throughput per kWh installed.

Safe & Reliable

Energy storage battery with intelligent cell-level detection and multiple safety protection layers. Integrated fire suppression system included as standard.

Intelligent O&M

Cloud-based energy storage management system connected across all scenarios. Multi-functional modules and digital management enable fully unattended operation.

Convenient & Flexible

Container-friendly transport, flexible deployment, efficient installation, and streamlined operation and maintenance throughout the service life.

Solar-Ready Design

Optional PV MPPT module supports up to 50 kW solar input at 99% max efficiency, enabling direct integration with solar arrays for PV self-consumption and hybrid microgrids.

Modular Building-Block

Customers can configure options on top of the standard cabinet to match specific site requirements. Multiple cabinets can be paralleled for larger capacity systems.

Technical Specifications

DC Data — Battery & Energy Storage01

Battery TypeLFP 280Ah

Battery Cell Capacity280 Ah

Rated VoltageDC 768 V

Rated Energy Capacity215.04 kWh

Voltage RangeDC 600 – 876 V

Rated Current151 A

AC Data — PCS Output02

Rated Power1200 kW

Rated Frequency50 Hz / 60 Hz

Voltage Range380 / 400 Vac

THD (Full Load)≤3%

AC Output3P + N + PE

Power Factor-1 to 1

PV Data — Optional Solar MPPT03

Max. Power Input50 kW

Max. Input Current100 A

Max. DC Input VoltageDC 1000 V

Number of MPPT1 (multiple optional)

MPPT Voltage RangeDC 300 – 1000 V

Max. Efficiency99%

System Data — Enclosure & Operations04

Weight2.5 t

Relative Humidity0% – 95%, no condensation

Dimensions (W×D×H)1700 × 2200 × 1125 mm (excl. AC unit)

Altitude≤5000 m (derate above 3000 m)

Max. Efficiency86%

Fire SuppressionIntegrated system included

ConfigurationPCS, MPPT (optional), STS (optional)

Protection GradeIP54

Max. Charge/Discharge Rate0.5C

Cycle Life≥6000 @25°C 0.5C/0.5C, 90% DOD, 70% EOL

Cooling MethodAir-cooling

Communication InterfacesRS485, Ethernet, 4G

Operating Temperature-20°C to +55°C

Communication ProtocolModbus TCP / RTU

Where the Cabinet Adds the Most Value

The integrated design — battery, PCS, BMS, EMS, and optional PV in one cabinet — targets six application scenarios where site space, installation time, and system complexity matter as much as energy capacity.

C&I STORAGE

Commercial & Industrial Energy Storage

Factories, industrial parks, data centers, and commercial buildings use the cabinet for peak shaving and demand charge management. Storing energy during low-tariff hours and discharging during peak hours reduces monthly electricity bills without requiring grid upgrades. See ESS range →

PV SELF-CONSUMPTION

Photovoltaic Self-Consumption

With the optional PV MPPT module, the cabinet integrates solar arrays directly. Excess daytime generation is stored in the battery and discharged during evening peaks, maximizing solar self-consumption ratio and shortening the project payback period.

WIND-STORAGE

Wind Energy Storage

Wind farms use the cabinet to smooth output fluctuations, reduce curtailment, and provide grid-friendly ramp-rate control. The integrated EMS responds to grid dispatch signals in real time.

GENERATION-SIDE

Generation-Side Energy Storage

Power plants deploy the cabinet for frequency regulation, peak shaving, and renewable integration. The 1200 kW PCS provides fast response to grid AGC commands, improving plant revenue from ancillary services markets.

MICROGRID

Microgrid Systems

Remote microgrids, island power systems, and off-grid industrial sites use the cabinet as the central storage node. The integrated BMS, PCS, and EMS coordinate seamlessly with diesel generators and renewable sources. See prefabricated substations →

PV + CHARGING

PV-Storage-Charging Stations

EV charging stations with rooftop solar integrate the cabinet as both a buffer for high-power charging loads and a solar energy storage unit. This reduces grid upgrade cost and enables demand-charge management at fast-charging sites.

AI air-cooling outdoor ESS cabinet applications - commercial storage, PV self-consumption, wind storage, microgrid — Figure 2: Integrated cabinet applications — commercial storage, PV self-consumption, wind-storage, microgrids, and PV-storage-charging stations

Air-Cooling vs. Liquid-Cooling: Which One Fits Your Project?

Air-cooling uses fans to circulate air through the cabinet. Lower capital cost, simpler maintenance, no coolant handling. Best for moderate power density, moderate climate, and cost-sensitive projects.
Liquid-cooling circulates coolant through cold plates attached to battery modules. Tighter temperature control (≤3°C cell variation), longer battery life, higher density. Best for high-density, hot-climate, or premium projects.
When to choose air-cooling — If your project requires a lower initial investment, has moderate ambient conditions, or doesn't require the maximum available density, the air-cooling cabinet offers the best cost-performance ratio. Compare with liquid-cooling →
When to choose liquid-cooling — If your project requires maximum cycle life, operates in high ambient temperature, or must pack maximum energy into minimal footprint, liquid-cooling provides the thermal advantage.

Why Choose RAYDAFON as Your ESS Cabinet Manufacturer

20+ Years of Power Equipment Experience — RAYDAFON Technology Group has served the electrical equipment industry for over two decades, with products deployed across 40+ export countries.
25+ Patents — Proprietary designs across thermal management, BMS algorithms, EMS control logic, and integrated enclosure engineering.
ISO/IEC Certified Manufacturing — All products manufactured under ISO/IEC quality management systems, with full third-party testing reports available on request.
Full Integration Capability — We manufacture HV/LV switchgear, prefabricated substations, and ESS cabinets under one roof — the ESS cabinet integrates seamlessly with our power distribution products for a single-source grid-connection solution.
OEM/ODM Support — Custom capacity, voltage, communication protocols, PV integration, and enclosure branding to match your project requirements.
24-Hour Engineering Response — Dedicated engineering team provides technical selection support and after-sales service within 24 hours.

Frequently Asked Questions

What is an AI air-cooling outdoor ESS cabinet?

What is the difference between air-cooling and liquid-cooling ESS cabinets?

Air-cooling uses fans to circulate air through the cabinet for heat dissipation — lower capital cost, simpler maintenance, suitable for moderate power density. Liquid-cooling circulates coolant through cold plates attached to battery modules, providing tighter temperature control (≤3°C cell variation) for high-density or hot-climate applications. Choose air-cooling for cost-sensitive moderate-use projects; choose liquid-cooling for maximum battery life and high-density deployments.

What are the electrical specifications?

The RD-ESS-AC series uses LFP 280Ah battery cells with 215.04 kWh rated energy capacity at DC768V rated voltage. The PCS delivers 1200 kW rated AC power at 380/400 Vac, with THD ≤3% at full load. Optional PV MPPT supports 50 kW max power input at up to DC1000V, with 99% max efficiency.

Can the cabinet be used for solar self-consumption and microgrids?

Yes. The cabinet is designed for industrial and commercial energy storage, PV self-consumption, wind-storage integration, generation-side storage, microgrid systems, and PV-storage-charging station scenarios. The optional PV MPPT module allows direct integration of solar arrays, making it a complete solar-plus-storage solution in one cabinet.

What is the delivery time and MOQ?

Standard configurations ship within 30-60 days from order confirmation. MOQ is 1 unit. Custom capacity, voltage, or PV-optional configurations may require 60-90 days. We accept sample orders for validation testing.

Can I add a prefabricated substation for grid connection?

Yes. RAYDAFON manufactures complete prefabricated substations and HV/LV switchgear that integrate directly with the ESS cabinet for a full grid-connection solution. See prefabricated substations →

Related Equipment

For a complete energy storage and power distribution system, pair your ESS cabinet with:

AI Liquid-Cooling Outdoor ESS Cabinet — For high-density, hot-climate, and maximum-cycle-life projects
Prefabricated Substations — For grid-connection and medium-voltage interface
Remote Monitoring Units — For centralized SCADA integration and multi-site management

215.04 kWh LFP energy storage

1200 kW bi-directional PCS

Optional 50 kW PV MPPT (99% efficiency)

IP54 outdoor-rated enclosure

≥6000 cycle life at 90% DOD

Integrated fire suppression system

Ready to Specify Your Energy Storage System?

Share your capacity, voltage, and site requirements — our engineers will reply with a tailored ESS cabinet configuration and factory-direct quote within 24 hours.

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Compare Air-Cooling vs Liquid-Cooling ESS →

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