sales@gsl-energy.com 0086 13923720280

Commercial energy storage system installed at factory for cost reduction and efficiency

IP65-rated enclosure and wiring interface for outdoor commercial ESS

Energy storage cabinet integrated with solar PV and diesel generator hybrid system

High-voltage commercial energy storage cabinet for factories and microgrid projects

GSL Energy 215kWh commercial ESS integrated with high-voltage LFP battery modules

Industrial ESS system with 125kVA inverter compatibility for commercial deployment

125kVA 215kWh High-Voltage Air-Cooled All in one Commercial Energy Storage System Manufacturer

Integrated HV ESS Platform for C&I Applications | Scalable to 2.15MWh | Solis 125kVA Matching

GSL ENERGY 125kVA / 215kWh High-Voltage Air-Cooled Commercial Energy Storage System (Air-Cooled C&I ESS) is built upon a high-efficiency HV 51.2V 280Ah 14.34kWh battery module architecture. It is assembled using 15 high-voltage battery modules and supports parallel expansion with up to 10 units to achieve 2.15MWh capacity. The system delivers over 6,500 charge cycles, 10ms grid-tied/off-grid switching, IP65 protection rating, and 160% off-grid overload capability. It achieves deep integration with Solis 125kVA inverters while maintaining compatibility with leading high-voltage inverter platforms including Deye, Sofar, Sosen, GoodWe, and LuxPower.

This system is engineered for the global commercial and industrial (C&I) energy storage market, enabling versatile deployment across a wide range of operational scenarios. It supports factory-level cost reduction and efficiency optimization (CRO), peak shaving and valley filling for commercial and retail facilities, microgrid and off-grid applications, grid support and ancillary services, and hybrid solar-storage-diesel integrated energy architectures.

As a professional industrial-grade energy storage system integrator and manufacturer, we go beyond standard C&I deployments to deliver engineering-level customized solutions tailored to enterprise users and project developers. Our capabilities include structural customization, electrical interface adaptation, EMS/API interoperability, private-label ESS manufacturing, and high-volume OEM/ODM customization for global B2B clients.

Inquiry

download

GSL AIO BESS MOBILE solar home system GSL-BESS-125

Write a Review

125kVA C&I Battery Storage Cabinet with LFP Modules for Large-Scale Deployments

Product Description

1. High-Performance High-Voltage Architecture (Including OEM/ODM Expansion)

This system utilizes 51.2V 280Ah 14.34kWh commercial-grade LFP battery modules, supporting enterprise-level bulk procurement, OEM branding, and ODM structural customization. It offers configurable options from modules and packs to complete cabinets (Configurable Battery Cabinet) to meet large-scale project requirements.

Ideal for secondary development or integration by large EPC firms, energy storage contractors, and microgrid integrators.

2. Multi-Source Compatibility + Engineering Customization Capabilities

The system features a highly open interface architecture, enabling B2B client-specific adaptations including:

Communication protocol customization (CAN / RS485 / Modbus / TCP-IP)

Grid-tie inverter adaptation solutions

Project-level EMS integration (Utility EMS / SCADA / Energy Cloud)

Custom cabinet structure, appearance, coating, and brand logo (OEM/Private Label)

Ideal as an “Engineered-to-Order ESS” solution for global system integrators.

3. Scalable Deployment Models for B2B (Scalable for Integrators)

Single cabinet: 215kWh; 10 cabinets in parallel → 2.15MWh (Configuration of engineered power distribution cabinets required for over 6 units)

Serves as core energy storage equipment for Solar + Storage + Diesel Microgrid EPC Projects

Suitable for government initiatives, commercial parks, factory retrofits, and commercial building energy storage upgrades.

4. Commercial & Industrial Grade Reliability

Meets stable supply demands for EPC contractors, distributors, and channel partners:

10ms switching, 160% overload startup, 6500+ cycles

Supports long-term bulk supply (Bulk Order Friendly)

Complete UL/IEC/CE certification chain (suitable for overseas government project bidding)

Air-Cooled Commercial Energy Storage System for Microgrid and Off-Grid Applications

This 125kVA,215kWh AIO ESS system is suitable for deployment in the following commercial and industrial scenarios: Energy storage system for factories, Battery system for commercial buildings, Solar storage solution for agriculture, Energy storage for hotels and resorts, Backup for island microgrids, Gas station/convenience store ESS, Edge data center ESS, Hybrid system integrating solar, diesel, and storage.

B2B lithium storage supplier offering customized HV systems for global integrators

GSL ENERGY is a leading developer and manufacturer of advanced lithium iron phosphate (LFP) energy storage systems, serving global commercial, industrial, and utility-grade customers. Since its establishment, the company has positioned itself as a strategic partner for EPC contractors, system integrators, distributors, and renewable energy developers, delivering standardized and customized energy storage solutions across 138+ countries.

With a strong commitment to technological innovation and manufacturing excellence, GSL ENERGY provides an end-to-end product ecosystem covering residential storage, C&I battery systems, telecom backup batteries, microgrid energy solutions, and large-scale industrial ESS.

GSL ENERGY · Corporate Overview

Worl-Class Manufacturing Facility

GSL ENERGY operates a modern, highly automated production base designed to meet the stringent quality and performance requirements of global energy storage deployments.

Factory Scale & Infrastructure

15,000m² advanced manufacturing center with automated assembly lines

Full-stack ESS production capabilities including cells, modules, BMS, racks, cabinets, and containerized systems

Dedicated high-voltage ESS assembly area with precision testing and safety validation

Independent reliability laboratory for cycle life, thermal, vibration, and aging tests

Automated production equipment featuring laser welding, CCD optical inspection, and robotic module assembly

Quality & Compliance System

ISO9001, ISO14001, ISO45001 certified manufacturing management

100% product traceability with MES digital quality system

Multi-layer safety inspection:

Cell consistency & grading

Module-level thermal and structural testing

Pack-level insulation, high-voltage, and load validation

Factory Acceptance Testing (FAT) for all ESS shipments

Compliance with major international certifications：

UL1973, UL9540, IEC62619, CE, UN38.3, MSDS and more

Supply Chain & Production Reliability

GSL ENERGY operates a vertically integrated supply chain ensuring stability, consistency, and scalability for global B2B customers.

Supply Chain Advantages

Long-term strategic partnerships with leading cell manufacturers

Standardized industrial-grade material sourcing for high-voltage systems

Integrated module-pack-cabinet production flow

High-volume manufacturing capability supporting global multi-megawatt deployments

Delivery & Project Execution

Rapid production scheduling for OEM/ODM projects

Dedicated export packaging & logistics system for high-voltage ESS

Engineering-level documentation support (SLD drawings, datasheets, installation manuals)

Global project delivery experience across North America, Europe, LATAM, Middle East, Africa, and Southeast Asia

OEM, ODM & B2B Customization Capabilities

GSL ENERGY specializes in high-volume, engineering-level customization for enterprise customers:

Customization Options

Structural design modification (cabinet, rack, module layout)

Electrical interface customization (HV interface, communication ports)

Protocol integration with third-party PCS/EMS platforms

Custom firmware, BMS configurations, and EMS dashboards

Private label production for global ESS brands

Bulk OEM/ODM manufacturing with flexible production lines

C&I Solar Storage System for Peak Shaving, Load Management and Energy Savings

125kVA 215kWh Commercial Energy Storage System FAQ

What are the primary B2B applications for this 125kVA 215kWh high-voltage energy storage system?

This system targets the global commercial and industrial energy storage market, covering applications such as: Peak shaving and valley filling for factories;Energy efficiency optimization for commercial complexes;Load management for retail stores ;Cost stabilization for industrial zones;Backup power for communication base stations;Microgrids in remote areas;Power ancillary services;Backup power for data centers;Multi-energy coupling applications integrating solar, storage, and diesel power.

What is the battery architecture of this system? Why was a high-voltage solution adopted?

The system comprises 15 modules, each rated at 51.2V, 280Ah, and 14.34kWh, forming a 215kWh high-voltage battery cluster. The high-voltage architecture delivers higher efficiency, lower transmission losses, and enhanced system scalability, significantly improving energy conversion efficiency and system stability in commercial and industrial applications.

3. What is the cycle life and warranty for the 125K215? Is it suitable for long-term commercial use?

The battery utilises Grade A lithium iron phosphate cells, delivering a cycle life exceeding 6,500 cycles and a warranty of over 10 years. It is suitable for high-frequency, long-life B2B operational scenarios (such as factory three-shift operations, 24/7 hotel operations, supermarket cold chain logistics, etc.).

What is the maximum capacity expansion for the system? Does it support parallel connection?

Supports up to 10 units connected in parallel to achieve 2150kWh / 1.25MW. When expanding the system beyond 6 units, a dedicated distribution cabinet can be integrated to enable engineering-grade expansion deployment.

How does it perform in off-grid operation? Is it suitable for motor surge scenarios?

In off-grid mode, it can withstand 160% overload (sustained for 200ms), ensuring stable start-up for heavy-duty equipment such as water pumps, motors, and chillers. This makes it ideal for applications including agricultural irrigation, processing plants, and emergency loads in commercial buildings.

Does the system support multi-energy coupling? Can it be synchronised with diesel generators?

Equipped with an intelligent energy interface, it can connect to:Photovoltaic grid-connected inverters,Diesel generators,Small wind turbines,External energy storage systems Suitable for B2B energy retrofit projects integrating solar, storage and diesel power, particularly in areas with weak grid infrastructure.

What is the protection rating of this system? Is it suitable for outdoor use?

The product achieves an IP65 dustproof and waterproof rating, capable of withstanding high temperatures, high humidity, and dusty environments. It is suitable for: Islands, farms, factory outdoor platforms, motorway service areas, remote sites, and other B2B deployment locations.

What is your overseas project experience? Do you have large-scale commercial and industrial case studies?

We have completed numerous commercial and industrial energy storage deployments across countries including the United States, Lebanon, Kenya, Israel, the Philippines, Malaysia, and Puerto Rico. These encompass: 100kWh–5MWh factory peak shaving projects; solar-storage microgrids for remote schools; integrated energy storage solutions for retail complexes and hotel developments; power supply systems for islands and off-grid regions; supporting multinational EPC collaborations and long-term after-sales service frameworks.

Get in touch with us

just leave your email or phone number in the contact form so we can send you a free quote for our wide range of designs