AINEGY Solar BESS Cabinet / On-grid or Off-grid / Air Cooling
The AINEGY Solar BESS Cabinet / On-grid or Off-grid / Air Cooling is a 125kW/241kWh solar battery energy storage cabinet with PV MPPT input, LiFePO4 battery system, PCS, BMS, EMS, air-conditioner thermal management and integrated fire protection. It is designed for commercial and industrial solar energy storage projects requiring on-grid operation, off-grid project configuration, PV self-consumption, peak shaving and backup-ready system design.
This is not a battery-only cabinet and not a liquid-cooled cabinet. It is an air-conditioned solar BESS cabinet with 120kW PV input, 950Vdc maximum PV voltage and 250–850Vdc MPPT voltage range. On-grid or off-grid operation should be confirmed according to project-level PCS configuration, switching design, protection scheme, load priority and local grid requirements.
About AINEGY Solar BESS Cabinet / On-grid or Off-grid / Air Cooling
AINEGY provides commercial and industrial solar battery energy storage solutions for projects that require PV input, battery storage, PCS conversion, BMS protection, EMS control and cabinet-level integration. This AINEGY 125kW/241kWh solar BESS cabinet is positioned for C&I solar storage projects that need on-grid energy management, off-grid project configuration or backup-ready design within a compact air-conditioned cabinet platform.
The product belongs to the AINEGY solar BESS cabinet portfolio and should be selected by PV string design, MPPT voltage range, AC-side grid conditions, load profile, backup-load priority, installation environment and target-market documentation requirements rather than by kW and kWh only.
What This Air-Cooled Solar BESS Cabinet Is Designed For
This AINEGY cabinet is designed for C&I solar battery storage projects where PV generation, battery storage, grid connection, backup-ready operation and energy dispatch need to be integrated in one cabinet platform. The product combines PV MPPT input, LiFePO4 battery, PCS, BMS and EMS, while using air-conditioner thermal management instead of liquid cooling.
Core Use Cases for C&I Solar Energy Storage
This solar BESS cabinet is built for commercial and industrial users who need a cabinet-level PV battery energy storage system rather than separate battery-only cabinets, external PCS and independent solar inverter blocks.
PV Self-Consumption
When rooftop or ground-mounted solar generation is higher than immediate site demand, the cabinet can store part of the PV energy and release it later. This supports higher local use of solar power in factories, supermarkets and commercial sites.
Peak Shaving
The cabinet can discharge during high-load periods to reduce peak grid demand. This is relevant for sites with motors, pumps, compressors, refrigeration, lighting, EV charging expansion or production equipment.
Time-of-Use Shifting
The system can charge from PV or lower-cost grid periods and discharge during higher-price periods. Actual savings depend on tariff structure, PV generation curve, load profile and EMS strategy.
Backup-Ready Project Design
For sites that require emergency power or off-grid project configuration, backup operation should be designed with proper switching, protection, load priority and grid-forming logic rather than assumed from the cabinet alone.
Grid Capacity Relief
At sites where transformer or grid connection capacity is limited, the BESS can reduce instantaneous grid demand under appropriate dispatch logic and reduce pressure on the AC-side infrastructure.
Scalable Cabinet Deployment
Up to 12 cabinets can be configured in parallel for larger project capacity. Multi-cabinet design should confirm communication, EMS coordination, AC protection and installation spacing.
Air Cooling: Correct Technical Positioning
In this product, “Air Cooling” should be understood as air-conditioner battery thermal management, not passive air cooling or fan-only cooling. The cabinet uses an integrated air-conditioning approach for the battery system and intelligent cooling for the PCS.
Simpler Thermal Architecture
Compared with liquid cooling, an air-conditioned cabinet layout usually has fewer coolant-related components. This can make installation and routine maintenance simpler for 125kW-class C&I solar storage projects.
Suitable for Cost-Controlled Projects
Air-cooled solar BESS cabinets are often selected where project cost, service simplicity and cabinet-level integration are more important than the higher thermal uniformity of liquid-cooled systems.
Daily Solar Storage Operation
The cabinet can support daily charge and discharge for PV self-consumption, tariff shifting or peak shaving. Project design should still consider ambient temperature, load profile and cycling frequency.
Clear Difference From Liquid Cooling
Liquid cooling is generally selected for higher energy density or stronger temperature consistency requirements. This air-cooled product is better positioned as a practical 125kW/241kWh solar storage cabinet.
Service Access Matters
Because air-conditioning performance depends on heat rejection and airflow conditions, the project should reserve sufficient service space, ventilation clearance and maintenance access around the cabinet.
IP54 Project Planning
The cabinet IP grade is IP54. Installation planning should consider weather exposure, drainage, dust conditions, shelter design, cable entry and local environmental requirements.
Model Selection
This product page focuses on the 125kW/241kWh air-cooled solar BESS cabinet. Selection should be based on PV input design, AC-side capacity, load profile, operating mode and installation environment.
125kW / 241kWh
Select this model for C&I solar storage projects that require 120kW PV input, 125kW AC input/output, air-conditioner battery cooling and cabinet-level integration of PV MPPT, battery, PCS, BMS and EMS.
Technical Specifications
| Parameter | 125kW / 241kWh |
|---|---|
| Model | IYP-B241-125G3-120M1-HX1 |
| Product Type | Solar BESS Cabinet (On-grid or Off-grid) / Air Cooling |
| Integrated Platform | PV MPPT / BMS / PCS / EMS |
| Battery | |
| Battery Type | LiFePO4 Battery |
| Rated Energy | 241kWh |
| PV | |
| Max. Power | 120kW (1 channel) |
| Max. PV Voltage | 950Vdc |
| MPPT Voltage Range | 250–850Vdc |
| Max. PV Input Current | 200A |
| MPPT Channels | 1 |
| AC Input | |
| Rated Power | 125kW |
| AC Voltage | 400Vac/230Vac (L1/L2/L3/N/PE) |
| Rated Frequency | 50Hz/60Hz |
| Max. AC Current | 189A |
| AC Output | |
| Rated Power | 125kW |
| AC Voltage | 400Vac/230Vac (L1/L2/L3/N/PE) |
| Rated Frequency | 50Hz/60Hz |
| Max. AC Current | 189A |
| Parallel Number | 12 |
| General Parameter | |
| Communication Type | RS485 / WiFi |
| IP Grade | IP54 |
| Fire Protection System | Yes |
| Operating Temperature | -10°C–55°C |
| Humidity Range | 5%–95% |
| Altitude | <2000m |
| Battery Cooling Method | Air-Conditioner |
| PCS Cooling Method | Intelligent cooling |
| Size | 1200 × 1250 × 2260mm |
| Weight | About 2500kg |
PV Design Checks
- PV open-circuit voltage must stay below the 950Vdc maximum PV voltage.
- PV operating voltage should match the 250–850Vdc MPPT range.
- PV input current must stay within the 200A channel limit.
- The product supports 120kW PV input with one MPPT channel.
On-grid / Off-grid Checks
- Confirm whether the project requires grid-tied operation, backup operation or islanded operation.
- Check PCS control mode, switching design, protection coordination and local grid rules.
- For backup loads, classify critical and non-critical loads before sizing the system.
- Off-grid operation should not be assumed without project-level configuration confirmation.
Installation Checks
- Confirm IP54 installation environment, weather exposure and dust conditions.
- Reserve air-conditioning heat rejection space and maintenance clearance.
- Check foundation load for about 2500kg cabinet weight.
- Confirm altitude below 2000m and operating temperature range of -10°C–55°C.
System Design & Operating Mode
This solar BESS cabinet can be used in on-grid or off-grid solar storage projects, but those modes require different system designs. A grid-connected project focuses on PV self-consumption, peak shaving and tariff shifting. An off-grid or backup project must also define switching logic, load priority, grounding, protection and grid-forming behavior.
Typical Applications
This air-cooled solar BESS cabinet is selected for commercial and industrial projects that need PV battery storage, grid-connected energy management or backup-ready solar storage configuration in a compact cabinet platform.
Difference From Other AINEGY Cabinets
Similar product names should not be mixed. This product is the air-cooled 125kW/241kWh solar BESS cabinet for on-grid or off-grid project configuration.
Compared With On-grid Solar BESS Cabinet / Liquid Cooling
The liquid-cooled on-grid solar BESS cabinet is better suited for higher-capacity solar storage projects and stronger thermal uniformity requirements. This air-cooled cabinet focuses on 125kW/241kWh project integration, simpler thermal architecture and on-grid/off-grid configuration flexibility.
Compared With On-grid BESS Cabinet / Liquid Cooling
The on-grid BESS cabinet is mainly a grid-connected battery energy storage cabinet. This product includes PV input and is positioned as a solar BESS cabinet for PV battery storage projects.
Compared With Battery-Only Cabinets
Battery-only cabinets usually require external PCS, EMS and PV-side integration. This cabinet integrates PV MPPT input, PCS, BMS and EMS, making it more suitable for cabinet-level solar storage deployment.
Certification and Documentation Support
Documentation support can be provided for applicable models and project requirements, including battery transport, material safety, electrical compliance, grid connection and fire-safety-related documentation. Final document scope depends on the selected configuration, target market and certificate availability for the exact model.
FAQ
Send Your Solar BESS Project Requirements to AINEGY
Share your PV capacity, PV string design, grid voltage, transformer capacity, 15-minute or hourly load curve, backup-load list, tariff structure, installation environment and required operating mode. AINEGY can help review whether the 125kW/241kWh air-cooled solar BESS cabinet is suitable for your on-grid, off-grid or backup-ready commercial and industrial solar energy storage project.