All-in-One Battery Energy Storage Systems

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Commercial & Industrial All-in-One BESS

Reliable, Scalable, and Smart Energy Storage for Modern Enterprises

GSL Energy's Commercial & Industrial All-in-One Battery Energy Storage Systems (BESS) are fully integrated energy solutions designed to meet the demanding requirements of factories, warehouses, data centers, EV charging stations, telecom base stations, and utility-scale applications. Each system combines battery modules, BMS, PCS, cooling, and fire protection into a compact unit, reducing installation complexity and accelerating deployment.

With capacities ranging from 50 kWh to over 5 MWh, our C&I All-in-One BESS offers flexible configurations, seamless scalability, and grid-friendly functionality. Whether you're looking to optimize peak shaving, enhance energy resilience, or support renewable integration, GSL's solutions deliver maximum performance and safety with minimal footprint.

CESS-125K232 | 125KW / 232.9kWh AC Coupling Container Energy Storage System (Liquid-Cooled)

GSL-BESS-418K: 80kVA 418kWh All-in-One Liquid-Cooled Battery Energy Storage System | UL1973, UL9540A, IEC62619 Certified

A modular and scalable BESS solution designed for industrial and commercial applications, supporting up to 10 units parallel connection, integrated with advanced fire protection, intelligent BMS/EMS, and certified to UL, IEC, and UN standards.

GSL Energy All-in-One 125kW 261kWh Liquid-Cooled Industrial Energy Storage System

Introducing GSL Energy's latest innovation — the 125kW 261kWh Liquid-Cooled Energy Storage System, designed to meet the high-performance, reliability, and safety demands of industrial and commercial energy storage applications

1331V Liquid Cooling BESS Container Battery Storage 1MWH-5MWH Container Energy Storage System

GSL-BESS-3.72MWH/5MWH Liquid Cooling BESS Container Battery Storage 1MWH-5MWH Container Energy Storage System integrates cutting-edge technologies, including intelligent liquid cooling and temperature control, ensuring efficient and flexible performance. The system is built with long-life cycle lithium iron phosphate batteries, known for their high safety and durability, making it a reliable choice for renewable energy generation, voltage frequency regulation, and energy storage in industrial parks or commercial buildings.

Key Advantages of Commercial & Industrial All-in-One BESS

All-in-One Integration

Combines battery packs, BMS, PCS, EMS, thermal management, and fire suppression into one compact unit—reducing engineering complexity and on-site installation time.

Plug-and-Play Deployment

Factory pre-assembled and pre-tested system allows for fast installation and commissioning, significantly cutting down project delivery time.

Flexible Capacity & Modular Design

From 50kWh to 5MWh+, systems can be paralleled or expanded easily to meet various C&I demands, including backup power, peak shaving, and grid stabilization.

Advanced Liquid Cooling System

Ensures temperature uniformity across battery cells, improving performance, extending lifespan, and enabling safe operation in extreme environments.

Smart Energy Management System (EMS)

Real-time monitoring, remote control, predictive maintenance, and intelligent dispatch ensure optimal energy usage and ROI.

Certified Safety & Compliance

Meets international standards like UL9540A, IEC62619, CE, UN38.3, and more—guaranteeing safe deployment worldwide.

Hybrid Compatibility

Easily integrates with solar PV, diesel generators, or grid-tied applications—offering flexibility for both on-grid and off-grid projects.

Lower Total Cost of Ownership (TCO)

Reduced installation labor, compact footprint, and high energy conversion efficiency deliver significant savings over the system's lifetime.

Global Technical Support & OEM/ODM Services

Backed by GSL Energy’s global service network and customizable manufacturing capability to suit project-specific requirements.

Peak Shaving & Time-of-Use Arbitrage

It reduces energy costs by storing electricity during off-peak hours, when rates are low, and discharging it during peak demand periods, when prices spike.

Residential All-in-One ESS

Power Your Home with Smart, Reliable, and Integrated Energy Storage

GSL Energy’s Residential All-in-One Energy Storage Systems offer a compact, plug-and-play solution tailored for homeowners seeking energy independence, lower electricity bills, and reliable backup power. Designed with both performance and aesthetics in mind, our 5–20kWh systems combine lithium battery modules, hybrid inverters, BMS, EMS, and smart monitoring into a sleek, space-saving unit.

10kWh 5kW All In One Solar System

We provide high-quality, customized solar energy solutions. Our experienced team of engineers and technicians work with you to design and install a solar energy system that meets your unique needs.

10kWh/20kWh 5kW All In One Solar System

We provide high-quality, customized solar energy solutions. Our experienced team of engineers and technicians work with you to design and install a solar energy system that meets your unique needs.

40kWh/45kWh/50kWh/55kWh/60kWh 30kVA All In One Mini C&I BESS

The Mini C&I Energy Storage System is a fully integrated, pre-configured solution for LargeResidential and Light Commercial Projects (3Ph 220/380, 230/400Vac @60Hz). The Mini C&I ESShas numerous applications such as Microgrid, backup, off-grid peak shaving, time of use, selfsupply, demand response and Virtual Power Plant (VPP). With AC and DC Coupling options,indoor and outdoor installation and Scalable capacity from 80-130kWh per unit, the Mini C&IESS is perfect for your project

10.24kWh/20.48kWh 5kW All In One Solar System

We provide high-quality, customized solar energy solutions. Our experienced team of engineers and technicians work with you to design and install a solar energy system that meets your unique needs.

Key Advantages of Residential All-in-One ESS Battery

GSL Energy offers advanced Residential All-in-One Energy Storage Systems (ESS) designed for modern homes seeking energy independence, backup power, and greater solar utilization. Our compact, plug-and-play systems integrate a LiFePO₄ battery, inverter, BMS, EMS, and thermal management—all in one.

With over a decade of manufacturing experience, GSL Energy supports full OEM/ODM customization to meet diverse regional standards, branding needs, and technical specifications. Whether you’re a solar installer, system integrator, or energy solutions provider, we help you scale your business with reliable, factory-direct storage solutions.

All-in-One Compact Design

Integrates LiFePO4 battery, inverter, BMS, EMS, and cooling system into one sleek unit—greatly reducing installation complexity and space usage.
▶ Ideal for homes with limited indoor or outdoor installation space.

Plug-and-Play Installation

Factory pre-configured and tested; supports wall-mounted or stacked deployment for easy, fast, and safe installation by certified electricians.

Flexible Capacity Options (5–20kWh)

Supports a range of energy storage needs, from small urban households to large off-grid homes.
▶ Scalable by parallel connection—up to 4–16 units, depending on model.

Time-of-Use Optimization

Charge during low-rate hours and discharge during peak-rate periods to lower electricity bills and maximize ROI.
▶ Especially effective in countries with TOU (Time-of-Use) billing models.

Energy Independence

Paired with rooftop solar, it stores daytime excess solar energy for night-time use, power outages, or off-grid living.

Advanced Safety & Longevity

Equipped with multi-layer BMS protections and high-cycle LiFePO4 cells with 6,000+ cycles lifespan.
▶ Certified for UL1973, IEC62619, UN38.3, and CE compliance.

Hybrid Energy Input Support

Compatible with solar PV, grid, and generator input—supporting both on-grid and off-grid operation modes.

Warranty & Service Support

Up to 10-year warranty, supported by GSL Energy’s global technical support network and OEM/ODM custom services.

FAQ

1. What is an all-in-one energy storage system?

An all-in-one energy storage system (ESS) integrates the lithium battery module, Battery Management System (BMS), inverter (PCS), and sometimes cooling and EMS functions into a single plug-and-play cabinet. It simplifies installation, reduces wiring, and is ideal for residential, commercial, and industrial energy backup or solar storage applications.

Can I expand the capacity later?

Yes! GSL stackable and modular systems like the GSL-AIO-6K20 or GSL-CESS-80K418 are designed for easy expansion. You can add extra battery modules or parallel multiple systems to meet growing energy demands.

Do these systems work off-grid?

Absolutely. All GSL ENERGY all-in-one ESS units support off-grid operation, hybrid mode, and backup power supply. Systems with hybrid inverters can work with solar panels, the grid, or generators.

What certifications do your systems have?

GSL ENERGY ESS products are certified by major global standards, including: UL1973, UL9540A IEC62619, IEC62133 CE, UN38.3, MSDS This ensures safety, compliance, and market access in North America, Europe, Asia, and Africa.

What’s the difference between air-cooled and liquid-cooled BESS?

Air-cooled BESS (e.g., GSL-BESS50K50) is ideal for small to mid-size commercial applications with moderate thermal demands. Liquid-cooled BESS (e.g., GSL-BESS-100K261) offers better thermal management, higher efficiency, and longer life span for high-load, industrial, or grid-scale applications.

Can I monitor the system remotely?

Yes. All systems come with Wi-Fi / RS485 / CAN communication and can be monitored via mobile apps or web portals. You can track energy production, battery health, and system status in real time.

Can I use this for EV charging or telecom backup?

Yes. GSL all-in-one ESS systems support EV charger integration, data centers, telecom base stations, and backup for critical loads. Modular design allows seamless adaptation to multiple applications.

Residential ESS case

Liquid cooling I&C storage video

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