50kW/112kWh & 125kW/241kWh All-in-One C&I Energy Storage System

HMZ All-in-One C&I Energy Storage System is designed for commercial facilities, industrial parks, PV + storage projects, microgrids and backup power applications. Available in 50kW/112kWh and 125kW/241kWh configurations, the system integrates LFP battery modules, PCS, EMS, power distribution, air cooling and fire protection into one compact cabinet for reliable and efficient energy management.

Additional information

Product Details:

The HMZ All-in-One C&I Energy Storage System is a compact and integrated battery energy storage solution designed for commercial and industrial applications. With available configurations of 50kW/112kWh and 125kW/241kWh, the system supports peak shaving, load shifting, PV + storage integration, backup power and small-scale industrial microgrid projects.

Built with high-safety LFP battery technology, integrated EMS, PCS, power distribution, air cooling and fire protection systems, this all-in-one ESS helps businesses reduce electricity costs, improve energy efficiency and enhance power reliability in areas with high electricity tariffs or unstable grids.

Key Features

All-in-One Integrated Design
Integrates battery modules, PCS, PV inverter, EMS, power distribution, ECS, AC and fire protection systems into one compact cabinet, reducing installation complexity and saving project space.

Multi-Energy Integration
Supports solar PV, diesel generator and grid charging to achieve multi-energy complementarity for commercial and industrial users.

Modular & Expandable System
Optional external hybrid inverter and multi-brand compatibility support flexible configuration for different project requirements.

Safe and Reliable Operation
Built-in protection against anti-islanding, over-current, short-circuit and DC reverse polarity. The system is equipped with aerosol fire suppression and explosion-proof ventilation design.

Smart Energy Management
The integrated energy management system helps monitor operation status, optimize charge and discharge strategies and improve overall system efficiency.

Typical Applications

  • Commercial buildings and industrial facilities
  • PV + storage distributed energy projects
  • Peak shaving and load shifting
  • Backup power for commercial complexes and data rooms
  • Small-scale industrial microgrids
  • Farms, light industry and regions with unstable grids
  • Areas with high electricity tariffs

Available Models

Product Model HMZ-GJY50-L3-112 HMZ-GJY125-L3-241
Nominal Energy 112 kWh 241 kWh
Nominal Voltage 358.4 V 768 V
Nominal Voltage Range 313.6V–403.2V 672V–864V
Battery Type LFP 3.2V / 314Ah LFP 3.2V / 314Ah
System Configuration 112S1P 240S1P
Communication CAN / RS485 CAN / RS485
Cooling Method Intelligent Air Cooling Intelligent Air Cooling
Cycle Life 6,000 cycles at 25°C, 0.5C, 90% DOD, with 80% capacity retention 6,000 cycles at 25°C, 0.5C, 90% DOD, with 80% capacity retention
Fire Suppression Aerosol fire suppression + explosion-proof ventilation Aerosol fire suppression + explosion-proof ventilation
Operating Temperature Charging: 0–60°C; Discharging: -20–65°C Charging: 0–60°C; Discharging: -20–65°C
Protection Rating IP56 IP55
Anti-Corrosion Grade C4 C4
Dimensions 800 × 1513 × 2350 mm 1200 × 1500 × 2350 mm
Weight ≥1500 kg ≥3000 kg
Optional Inverter 50kW Solis S6-EH3P50K-H 125kW Solis S6-EH3P125K10

Why Choose HMZ C&I Energy Storage System?

HMZ provides reliable lithium battery and energy storage solutions for residential, commercial and industrial applications. Our C&I ESS products are designed to support smarter energy use, lower operating costs and stable power supply for global customers. OEM and ODM cooperation is also available.

FAQ / Q&A Content

Q1: What applications is this air-cooled C&I energy storage system suitable for?

A: This air-cooled C&I energy storage system is suitable for commercial buildings, small factories, farms, light industrial facilities, distributed PV + storage projects, backup power systems and small-scale industrial microgrids. It is designed for projects that require reliable energy storage, peak shaving, load shifting and improved solar self-consumption.


Q2: What are the available power and capacity options?

A: This product is available in two configurations: 50kW/112kWh and 125kW/241kWh. The 50kW/112kWh model is suitable for smaller commercial and light industrial applications, while the 125kW/241kWh model is better for projects with higher energy demand and longer backup time requirements.


Q3: What battery technology does the system use?

A: The system uses LFP battery technology, which is widely used in commercial and industrial energy storage because of its high safety, long cycle life, stable performance and good thermal stability.


Q4: What is the cooling method of this system?

A: This product uses intelligent air cooling. The air-cooled design helps control system temperature during operation and is suitable for standard commercial and industrial applications with moderate power demand and normal operating environments.


Q5: What is the main difference between this air-cooled ESS and a liquid-cooled ESS?

A: Air-cooled ESS is generally simpler, more cost-effective and easier to maintain, making it suitable for small to medium C&I projects. Liquid-cooled ESS provides more precise temperature control and is more suitable for high-temperature, high-cycle and heavy-duty industrial applications.


Q6: Can this system work with solar PV systems?

A: Yes. This all-in-one C&I ESS can be used in PV + storage projects to store excess solar energy, improve self-consumption, reduce electricity costs and provide backup power when the grid is unstable.


Q7: Does the system support peak shaving and load shifting?

A: Yes. The system can charge during low-tariff periods or when solar generation is available, and discharge during peak demand periods. This helps reduce demand charges, optimize energy usage and improve overall energy cost savings.


Q8: Is this system suitable for off-grid or weak-grid areas?

A: Yes, depending on project design. The system can be used in weak-grid areas, microgrids or hybrid energy projects together with solar PV, diesel generators and grid power. For fully off-grid applications, system configuration should be evaluated according to load demand, backup time and site conditions.


Q9: Can multiple units be connected in parallel?

A: Yes. The system supports flexible capacity expansion according to project requirements. Multiple units can be configured in parallel for larger commercial or industrial energy storage applications.


Q10: What information should I provide before requesting a quotation?

A: To recommend the right configuration, please provide your project location, application scenario, daily load profile, peak power demand, required backup time, grid condition, solar PV capacity if available, installation environment and whether the project requires on-grid, off-grid or hybrid operation.


Q11: Is OEM or ODM cooperation available?

A: Yes. HMZ Technology supports OEM and ODM cooperation for energy storage products, including branding, appearance design, system configuration and project-based customization according to customer requirements.


Q12: Why choose HMZ air-cooled C&I energy storage system?

A: HMZ air-cooled C&I ESS combines LFP battery technology, integrated design, intelligent air cooling, EMS, PCS and multi-level protection. It is a practical and cost-effective solution for commercial facilities, light industrial projects, farms, PV + storage systems and backup power applications.

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