ESS 50kW+96/128kWh All-in-One High-Voltage Energy Storage System

Product Overview

The ESS HV Series is a high-voltage all-in-one energy storage system combining a 50kW inverter and 96kWh/128kWh LiFePO4 battery packs, designed for commercial and industrial solar energy storage applications. With a 50kVA rated power output, 98.2% maximum efficiency, and support for 400V/230V three-phase AC grids, it features dual 38.4kW MPPT solar inputs, air cooling, and IP54 protection. The system offers seamless off-grid/grid-tied switching, multi-unit parallel connection, and flexible scalability, making it ideal for commercial buildings, factories, and large-scale solar projects.

Product Description

The 50kW 96/128kWh High-Voltage Energy Storage System is a professional-grade commercial LiFePO4 ESS tailored for industrial and commercial solar energy storage and grid auxiliary applications. Delivering a rated power of 50kVA and dual capacity options of 96kWh and 128kWh, this integrated energy storage cabinet provides stable, high-density power storage to meet peak shaving, load shifting, backup power and off-grid energy demands for commercial facilities.

Supporting standard 400V/230V grid-tied connection, the system achieves seamless docking with public power grids and commercial solar power generation systems. Adopting advanced air-cooled heat dissipation architecture, it ensures uniform temperature operation and long-term stable output, reaching an ultra-high system efficiency of 98.2% to minimize energy loss and maximize power utilization efficiency. Built with premium lithium iron phosphate batteries, the system features excellent safety performance, stable cycle life and strong anti-interference capability for continuous industrial operation.

Designed for harsh industrial environments, the unit boasts an IP54 protection rating, effectively resisting dust, splash water and environmental interference to guarantee reliable all-weather operation. Featuring flexible scalable design, this modular ESS allows capacity and power expansion according to project demands, perfectly adapting to diverse commercial and industrial energy storage projects. As a cost-effective and high-efficiency grid-tied energy storage solution, it optimizes corporate power consumption strategies, reduces electricity costs and enhances overall energy independence.

1.Highly Integrated, Space-Saving Design 

Combines the inverter, battery modules, MPPT controllers, and cooling system into a single compact cabinet, eliminating the need for separate components. This integrated design reduces installation space and simplifies on-site setup, ideal for commercial and industrial facilities with limited room.

2. Dual PV Input & High Efficiency 

Features two independent MPPT solar inputs (38.4kW each, total 76.8kW), supporting a wide 200-800V PV voltage range for maximum solar energy harvesting. The system achieves 98.2% maximum efficiency, minimizing energy loss during conversion and maximizing return on investment for solar projects.

3. Flexible Scalability & Deployment 

The modular design supports multi-unit parallel connection, allowing users to expand capacity as needed. The 96kWh and 128kWh variants offer flexible options for different project scales, from small commercial buildings to large industrial facilities.

4. Reliable Performance & Safety 

Built with LiFePO4 battery modules and comprehensive protection features, the system operates stably across -10°C to +50°C with 5-95% humidity. The IP54-rated enclosure protects against dust and water, ensuring reliable performance in harsh industrial environments. The <10ms off-grid switching time guarantees uninterrupted power during grid outages.

5. Low Maintenance & Intelligent Control 

Air cooling eliminates the need for complex liquid cooling systems, reducing maintenance costs. The intelligent control system supports remote monitoring and management, allowing users to optimize energy usage and troubleshoot issues remotely. The low standby power consumption (≤160W) minimizes energy waste.

1.Commercial Building Energy Storage 

Stores excess solar energy generated during the day for use at night, reducing reliance on the grid and lowering electricity bills. The system supports peak shaving, allowing businesses to use stored power during high-cost hours.

2. Industrial Facility Backup Power 

Provides uninterrupted power for critical industrial equipment during grid outages, preventing production losses. The system’s high efficiency and reliability ensure stable operation in manufacturing plants and factories.

3. Large-Scale Solar Projects 

The dual MPPT inputs and scalable design make the system ideal for large-scale solar farms, where multiple units can be connected in parallel to meet high-capacity energy storage needs.

4. Off-Grid and Remote Industrial Sites 

For remote industrial facilities with limited grid access, the system provides a reliable off-grid power solution, combining solar energy with battery storage to ensure continuous operation.

Install the system in a well-ventilated, dry location with proper clearance for air cooling. Connect solar panels to the dual PV inputs and the grid/load to the AC terminals. The system supports both grid-tied and off-grid modes, configurable via the control panel. Use the remote monitoring system to track performance and optimize energy usage.

To assist procurement managers and technical directors in their evaluation process, we have compiled detailed answers to the most critical operational inquiries regarding the 50kW 96/128kWh High-Voltage Commercial Energy Storage System.

Q1: Can the system be expanded with additional units? 

A1: Yes, the system supports multi-unit parallel connection, allowing users to scale capacity to meet growing energy storage needs.

Q2: What is the maximum efficiency of the system? 

A2: The system achieves a maximum efficiency of 98.2%, minimizing energy loss during conversion.

Q3: How long does it take to switch to off-grid mode during a power outage? 

A3: The system switches to off-grid mode in less than 10ms, ensuring uninterrupted power for critical loads.