Battery Energy Storage Systems & Solar Storage Solutions Commercial Battery Energy Storage Systems for Smarter Power Management. Factory-direct lithium battery storage and all-in-one energy storage systems from 60kWh to multi-MWh for factories, commercial buildings, solar EPCs and microgrids—engineered for peak shaving, load shifting, backup power and solar energy storage. Get C&I BESS Pricing View C&I Systems 60–418kWhCabinet Range50–125kWPower OptionsAir / LiquidThermal ManagementMulti-MWhScalable ProjectsSince 2011Energy storage manufacturer1.8 GWhAnnual production output150+ MarketsGlobal project reach18,000 m²R&D and manufacturing base Energy Storage Products for Commercial & Industrial Projects Choose the Battery Energy Storage System That Fits Your Site. Our battery energy storage solutions include 60kWh battery systems, high-voltage air-cooled cabinets and liquid-cooled all-in-one energy storage systems for commercial solar storage, factory energy management, microgrids and critical-load backup. Compare C&I Models Air Cooling UL Certified BESS-R60K 20–60kWh Air-Cooled C&I BESS Modular LiFePO4 commercial battery system with intelligent BMS, efficient air cooling and scalable 20–60kWh capacity for factories, commercial buildings, solar storage, backup power and microgrids.Energy 20–60kWhCycle Life 6,500+ View Details Get Quote AC Coupled Liquid Cooling 125kW / 261kWh AC-Coupled Liquid-Cooled BESS All-in-one AC-coupled energy storage cabinet integrating 125kW PCS, 314Ah LFP batteries and intelligent liquid cooling, scalable from 261kWh up to 4.176MWh for larger C&I projects.Energy 261.2kWhPower 125kW View Details Get Quote Liquid Cooling All-in-One 125kW / 418kWh Liquid-Cooled C&I BESS High-capacity all-in-one liquid-cooled battery energy storage system integrating PCS, high-voltage LFP batteries, BMS and fire protection for commercial solar storage and industrial projects.Energy 418kWhPower 125kW View Details Get Quote Container BESS Liquid Cooling 1MWh–5MWh 20FT Liquid-Cooled BESS Container Utility and large C&I containerized battery storage solution with high-density 314Ah LFP cells, liquid cooling, intelligent BMS and scalable MWh-level capacity for renewable and grid projects.Energy 1–5MWhContainer 20FT View Details Get Quote Need a larger system? Cabinet systems can be engineered in parallel for higher-capacity C&I and multi-MWh projects, subject to the selected architecture and site requirements. Discuss Multi-MWh Project → C&I Energy Management Cut Energy Costs. Protect Critical Loads. Use More of Your Solar. A commercial electricity battery storage system should be sized around the site’s load curve, tariff structure, renewable generation, critical loads and grid constraints—not capacity alone. GSL ENERGY configures electrical energy storage systems and power storage solutions for grid-connected, off-grid and hybrid solar storage system projects. Peak Shaving + Backup Solar • Grid • Generator • Microgrid01Reduce Peak Demand and Time-of-Use Energy CostsCharge when electricity is cheaper or renewable generation is available, then discharge during high-price or high-demand periods. Final savings depend on the site tariff, demand profile and control strategy. Peak shaving Load shifting TOU optimization02Increase Solar Self-ConsumptionStore surplus PV generation instead of exporting or curtailing it, then use that energy later when site loads rise. C&I storage can be designed for AC-coupled or project-specific solar integration.03Support Critical Loads and Microgrid ResilienceWhen paired with the correct PCS, switchgear and controls, a BESS can support backup power, grid-connected operation, off-grid operation or hybrid microgrids with solar and generators.04Scale from One Cabinet to Multi-MWhSelect a cabinet platform that can grow with the site. Parallel architectures can support larger factories, industrial parks, charging hubs and renewable-energy projects without changing the basic operating concept.05Integrate Battery, PCS, BMS, EMS, Cooling and Fire SafetyAll-in-one C&I systems reduce field integration work by coordinating power conversion, battery management, energy management, thermal control, monitoring and protection inside a standardized architecture. Discuss Your Site Requirements From Load Profile to CommissioningEngineer the C&I BESS Around Your Site Economics.Power, energy duration, tariff logic, solar production and critical-load requirements should be defined before the battery cabinet is selected. STEP 01Analyze the Facility LoadLoad curve, maximum demand, tariff periods, PV production, generator operation, critical loads and grid connection conditions. STEP 02Size Power and EnergyDefine kW, kWh, discharge duration, daily cycles, AC/DC coupling, transformer requirements and future expansion. STEP 03Define Controls and ComplianceEMS strategy, peak-demand limit, TOU schedule, export control, backup logic, communications and destination-market documentation. STEP 04Integrate, Test and CommissionFactory integration, quality checks, shipping preparation, installation guidance, commissioning support and operating handover. PCS / Inverter & EMS IntegrationFlexible Integration for Commercial Power ArchitecturesC&I compatibility depends on cabinet voltage, PCS or inverter model, firmware, communication protocol and control architecture. Share the exact equipment list so engineering can verify system matching before production. C&I Project SupportComplete Energy Storage Solutions, From Sizing to Operation.For EPCs, distributors, project developers and end users who need more than a battery cabinet.01Load & ROI ModelingReview load profiles, tariff windows, demand peaks, PV output and operating objectives to define a practical power and energy target.02System IntegrationBattery, PCS, EMS, switchgear, transformer, PV, generator and communications are matched to the operating mode and site electrical architecture.03OEM / ODM SupportBranding, enclosure details, labels, documentation, communication matching and project-specific configuration can be reviewed for qualified orders.04Commissioning & After-SalesTechnical documentation, remote engineering support, commissioning guidance, troubleshooting and spare-parts coordination help reduce project downtime. Energy Storage Manufacturing Since 2011Factory Engineering Behind Commercial-Scale BESS.GSL ENERGY is an energy storage system manufacturer developing lithium battery storage systems and energy storage battery products for residential, commercial and industrial applications, with in-house capabilities spanning battery packs, BMS, thermal management and system integration.For C&I projects, the focus is not only battery capacity. System matching, controls, safety architecture, destination-market requirements and long-term service all influence whether a project performs as expected. Discuss Your C&I Project 18,000 m² R&D and manufacturing base 1.8 GWh Annual production output 150+ Countries and markets served 2011 Energy storage manufacturing since C&I Compliance & Market AccessDocumentation for Commercial Energy Storage Projects.Certification and compliance coverage is model-specific. Send the cabinet model, PCS architecture and destination market so the applicable safety, transport and regional documents can be confirmed before order placement.IEC / IECEE CB CertificateISO 9001 Quality ManagementMSDS Safety DocumentationSGS Battery ComplianceSGS Inverter ComplianceTÜV NORD CertificateUL System Certification C&I Projects in Real Operating EnvironmentsCommercial & Industrial BESS ProjectsExplore selected commercial, industrial, microgrid and business energy storage projects using high-voltage lithium battery systems in different markets. California, USA · 200kWhCalifornia USA 200kWh UL-Certified Battery Energy Storage System ProjectFour GSL Energy R50 systems deliver a 200kWh LiFePO4 storage solution engineered for North American safety and performance requirements.Read Case → Malaysia · 60kWh Small Business60kWh Off-Grid Solar Battery Storage System in MalaysiaA 15kWp solar array and six 10kWh wall-mounted LiFePO4 batteries provide dependable power for a remote small business.Read Case → Malaysia · 50kW/120kWh50kW/120kWh Solar Hybrid Microgrid Completed in MalaysiaSolar generation, battery storage and intelligent power management combine to improve electricity reliability for a remote community.Read Case → Thailand · 186kWhSmart 186kWh High-Voltage Energy Storage Solution in ThailandA commercial high-voltage LiFePO4 battery system paired with a 50kVA Deye hybrid inverter supports smarter energy optimization.Read Case → View All Installation Cases → Feedback from Project PartnersEngineering Support and Reliability That Projects Depend On.“We needed a scalable battery solution that’s UL-certified and compatible with our existing OutBack inverter. GSL ENERGY delivered exactly what we needed.”U.S. EPC PartnerCalifornia installation project“GSL batteries are among the highest-performing batteries we have installed. Their systems demonstrate outstanding performance and reliability.”Long-Term Engineering PartnerMulti-project technical testimonial“For the past 3 years, GSL has been my single source of purchase for all my solar equipment and have been the best customer support and reliable source ever!”Mr. JorgeSolar project partner, Puerto Rico Battery Energy Storage System FAQsQuestions to Answer Before You Select an Energy Storage System.For a model-specific proposal, send the facility load profile, tariff, PV size, required backup duration, grid voltage and destination market. Ask a C&I Engineer What is a C&I battery energy storage system (BESS)? + A commercial and industrial BESS stores electricity in batteries and dispatches it through a PCS or inverter under an energy-management strategy. Typical uses include peak shaving, load shifting, solar self-consumption, backup power and microgrid operation. How do I size a commercial or industrial battery storage system? + Sizing starts with the site load curve, maximum demand, tariff structure, target peak reduction, PV generation, critical loads and required backup duration. Power in kW determines how much load the BESS can support at one time, while energy in kWh determines how long that power can be delivered. Can a C&I BESS reduce demand charges and time-of-use costs? + Yes, when the local tariff rewards peak reduction or shifting consumption to lower-cost periods. The EMS can charge during lower-cost or high-solar periods and discharge when facility demand or electricity prices rise. Actual savings must be modeled using the customer’s tariff and load data. Can the battery energy storage system work with solar, grid power, generators and EV charging? + C&I BESS projects can be configured as a solar power storage system, solar energy battery storage solution, grid-connected electricity storage system, PV-diesel-storage microgrid, backup power solution or EV charging energy source. The final architecture depends on the PCS, switchgear, transformer, control logic and site electrical system. What can a 60kWh battery storage system support? + A 60kWh battery can support solar self-consumption, peak-demand management or selected backup loads for shops, farms, offices and small commercial facilities. Actual runtime and usable capacity depend on the connected load, discharge rate, system configuration and permitted depth of discharge. What is an all-in-one energy storage system? + An all-in-one energy storage system integrates the battery, PCS or inverter, BMS, EMS, thermal management, fire protection and power distribution into a coordinated cabinet. This architecture can reduce onsite integration work and simplify installation, commissioning and system control. Should I choose air cooling or liquid cooling? + Air-cooled cabinets can be suitable for many standard commercial installations. Liquid cooling provides tighter thermal control and is commonly selected for higher-energy-density or more demanding duty cycles. Site climate, project size, cycling profile and maintenance strategy should guide the choice. What information should I send for a C&I BESS quotation? + Please provide the facility type, 15-minute or hourly load data if available, maximum demand, electricity tariff, PV capacity, grid voltage and frequency, desired kW/kWh, required backup duration, operating mode, installation environment, destination country and target commissioning date. Get a Battery Energy Storage SolutionTell Us What Your Energy Storage Project Needs.Share the required capacity, facility load, PV or generator information and destination market. The technical sales team can review the project and recommend a suitable C&I configuration.✓Power and energy sizing review✓PCS, EMS and system architecture matching✓Quotation, compliance and logistics discussion Name * Work Email * Company Phone / WhatsApp Project Capacity * Select capacity range20–60kWh60kWh80–130kWh200–261kWh300–418kWh500kWh–1MWh1–5MWhOther / Custom Destination Country * Project Details Request C&I BESS Proposal Your project information is used only to prepare a suitable energy storage solution and quotation. Factory-Direct C&I InquiryGet C&I BESS PricingTell us the main site and project requirements. Our team will reply with the suitable configuration and next steps. × Name * Work Email * Company Phone / WhatsApp Capacity * Select range20–60kWh60kWh80–130kWh200–261kWh300–418kWh500kWh–1MWh1–5MWhOther / Custom Destination * Project Details Request C&I BESS Proposal
Air Cooling UL Certified BESS-R60K 20–60kWh Air-Cooled C&I BESS Modular LiFePO4 commercial battery system with intelligent BMS, efficient air cooling and scalable 20–60kWh capacity for factories, commercial buildings, solar storage, backup power and microgrids.Energy 20–60kWhCycle Life 6,500+ View Details Get Quote
AC Coupled Liquid Cooling 125kW / 261kWh AC-Coupled Liquid-Cooled BESS All-in-one AC-coupled energy storage cabinet integrating 125kW PCS, 314Ah LFP batteries and intelligent liquid cooling, scalable from 261kWh up to 4.176MWh for larger C&I projects.Energy 261.2kWhPower 125kW View Details Get Quote
Liquid Cooling All-in-One 125kW / 418kWh Liquid-Cooled C&I BESS High-capacity all-in-one liquid-cooled battery energy storage system integrating PCS, high-voltage LFP batteries, BMS and fire protection for commercial solar storage and industrial projects.Energy 418kWhPower 125kW View Details Get Quote
Container BESS Liquid Cooling 1MWh–5MWh 20FT Liquid-Cooled BESS Container Utility and large C&I containerized battery storage solution with high-density 314Ah LFP cells, liquid cooling, intelligent BMS and scalable MWh-level capacity for renewable and grid projects.Energy 1–5MWhContainer 20FT View Details Get Quote
01Reduce Peak Demand and Time-of-Use Energy CostsCharge when electricity is cheaper or renewable generation is available, then discharge during high-price or high-demand periods. Final savings depend on the site tariff, demand profile and control strategy. Peak shaving Load shifting TOU optimization
02Increase Solar Self-ConsumptionStore surplus PV generation instead of exporting or curtailing it, then use that energy later when site loads rise. C&I storage can be designed for AC-coupled or project-specific solar integration.
03Support Critical Loads and Microgrid ResilienceWhen paired with the correct PCS, switchgear and controls, a BESS can support backup power, grid-connected operation, off-grid operation or hybrid microgrids with solar and generators.
04Scale from One Cabinet to Multi-MWhSelect a cabinet platform that can grow with the site. Parallel architectures can support larger factories, industrial parks, charging hubs and renewable-energy projects without changing the basic operating concept.
05Integrate Battery, PCS, BMS, EMS, Cooling and Fire SafetyAll-in-one C&I systems reduce field integration work by coordinating power conversion, battery management, energy management, thermal control, monitoring and protection inside a standardized architecture. Discuss Your Site Requirements
01Load & ROI ModelingReview load profiles, tariff windows, demand peaks, PV output and operating objectives to define a practical power and energy target.
02System IntegrationBattery, PCS, EMS, switchgear, transformer, PV, generator and communications are matched to the operating mode and site electrical architecture.
03OEM / ODM SupportBranding, enclosure details, labels, documentation, communication matching and project-specific configuration can be reviewed for qualified orders.
04Commissioning & After-SalesTechnical documentation, remote engineering support, commissioning guidance, troubleshooting and spare-parts coordination help reduce project downtime.
California, USA · 200kWhCalifornia USA 200kWh UL-Certified Battery Energy Storage System ProjectFour GSL Energy R50 systems deliver a 200kWh LiFePO4 storage solution engineered for North American safety and performance requirements.Read Case →
Malaysia · 60kWh Small Business60kWh Off-Grid Solar Battery Storage System in MalaysiaA 15kWp solar array and six 10kWh wall-mounted LiFePO4 batteries provide dependable power for a remote small business.Read Case →
Malaysia · 50kW/120kWh50kW/120kWh Solar Hybrid Microgrid Completed in MalaysiaSolar generation, battery storage and intelligent power management combine to improve electricity reliability for a remote community.Read Case →
Thailand · 186kWhSmart 186kWh High-Voltage Energy Storage Solution in ThailandA commercial high-voltage LiFePO4 battery system paired with a 50kVA Deye hybrid inverter supports smarter energy optimization.Read Case →
