--- title: "BESS OEM Manufacturer | Battery Energy Storage | Entogo" description: "BESS OEM manufacturer: liquid- and air-cooled C&I cabinets, containerized and grid-forming battery energy storage." url: https://entogo.ca/contract-manufacturing/energy-storage/ lang: en type: website image: https://entogo.ca/_astro/entogo-solution-commercial-industrial-rooftop-solar-energy-storage-aerial.TkP8xlw9.jpg alternates: en: https://entogo.ca/contract-manufacturing/energy-storage/ fr-CA: https://entogo.ca/fr/contract-manufacturing/energy-storage/ fr: https://entogo.ca/fr/contract-manufacturing/energy-storage/ es: https://entogo.ca/es/contract-manufacturing/energy-storage/ ar: https://entogo.ca/ar/contract-manufacturing/energy-storage/ pl: https://entogo.ca/pl/contract-manufacturing/energy-storage/ ro: https://entogo.ca/ro/contract-manufacturing/energy-storage/ ru-KZ: https://entogo.ca/ru/contract-manufacturing/energy-storage/ ru-UZ: https://entogo.ca/ru/contract-manufacturing/energy-storage/ ru-KG: https://entogo.ca/ru/contract-manufacturing/energy-storage/ ru-TJ: https://entogo.ca/ru/contract-manufacturing/energy-storage/ ru-TM: https://entogo.ca/ru/contract-manufacturing/energy-storage/ ru-AZ: https://entogo.ca/ru/contract-manufacturing/energy-storage/ ru-AM: https://entogo.ca/ru/contract-manufacturing/energy-storage/ ru-GE: https://entogo.ca/ru/contract-manufacturing/energy-storage/ site: https://entogo.ca/ llms: https://entogo.ca/llms.txt --- Entogo home › OEM & contract manufacturing › Battery energy storage BESS OEM # BESS OEM manufacturer for commercial, industrial and utility storage All-in-one C&I cabinets, containerized battery energy storage and DC-coupled PV-storage systems — customized to your project or supplied under your brand, with the EMS and documentation to match. OEM Entogo is a BESS OEM manufacturer for integrators, EPC contractors, developers and equipment brands — a Canadian company with its own factory in China. It builds battery energy storage systems — liquid- and air-cooled C&I cabinets, containerized systems and DC-coupled, grid-forming PV-storage systems — customized or private-label under the buyer’s brand. The all-in-one cabinets integrate the battery cluster, BMS, EMS, PCS, thermal management and fire protection. Certification to the target market’s requirements — UL 9540 / 9540A, CSA, IEC 62619 / 62933 or CE — is available on request, with timing and scope confirmed in the quotation. ![BESS OEM manufacturer for commercial, industrial and utility storage](https://entogo.ca/_astro/entogo-solution-commercial-industrial-rooftop-solar-energy-storage-aerial.TkP8xlw9_ZlvYOB.webp) What we build ## Battery energy storage systems available OEM Built on the catalogue platforms below and configured to your project — capacities shown are catalogue configurations. ### Liquid-cooled C&I cabinets All-in-one 100 kW / 215 kWh and 100 kW / 232 kWh cabinets integrating battery cluster, BMS, EMS, PCS, liquid cooling and fire protection. ### Air-cooled C&I cabinets All-in-one 100 kW / 215 kWh cabinets with intelligent air cooling for factories, commercial complexes and other C&I sites. ### Compact storage systems 200 / 225 kWh systems with three-level BMS, parallel battery clusters and a unified DC interface for PV integration. ### Containerized BESS 2570 kWh pre-installed containers with air-conditioning thermal control, PV DC coupling and pack-level plus whole-container perfluorohexanone fire protection. ### Storage-and-charging systems DC-coupled storage stacks with split charging terminals that add storage and EV charging on existing transformer capacity at time-of-use sites. ### Grid-forming and MW-scale systems DC-coupled grid-forming / off-grid PV-storage-diesel hybrids and MW-level grid-connected and off-grid systems with built-in STS and 1+1 parallel operation. What can be customized ## Configured to your project, branded as your system Typical customization areas for OEM and private-label BESS — the exact scope is confirmed in the quotation. ### Capacity and power Energy and power rating, number of cabinets or containers and parallel arrangement sized to your use case — peak shaving, backup, PV self-consumption or time-of-use arbitrage. ### System integration AC- or DC-coupled architecture, PV and EV-charging integration, grid-connected or off-grid operation, and communication to your site controller or SCADA. ### Enclosure, cooling and fire protection Liquid or air cooling, enclosure finish, footprint and fire-protection scheme matched to your site conditions — confirmed in the quotation. ### EMS and software white-label Your brand on the EMS interface and monitoring screens, with control strategies set to your application — white-labeling scope confirmed in the quotation. ### Private label Your brand on the enclosure, nameplate and documentation. Minimum order quantity, branding and packaging are confirmed per project in the quotation. ### Documentation and labeling Manuals, safety labels, single-line and layout drawings in your format and language — scope confirmed in the quotation. Standards & certification ## Certified to your market’s requirements on request Entogo certifies storage systems to the requirements of your market, application and authority having jurisdiction — UL 9540 / 9540A, CSA, IEC 62619 / 62933 or CE — with timing and scope confirmed in the quotation. ### North America UL 9540 system certification, UL 9540A fire-test reports and CSA certification available on request for permitting; orders that need new cULus/CSA certification ship within 36 weeks. ### IEC and CE for export IEC 62619 (battery) and IEC 62933 (system) certification, CE marking and the supporting test reports on request for export markets — timing and scope confirmed in the quotation. ### Management systems Built under ISO 9001, ISO 14001, ISO 45001 and IATF 16949 management systems in Entogo’s own factory. Quality & delivery ## Integrated, tested and documented in our own factory ### Lead time The same tiers as catalogue products — about 12 weeks for IEC/CE builds, 16–24 weeks for North-American-spec builds, within 36 weeks with new cULus/CSA certification — confirmed in the quotation. ### Factory testing Systems are integrated and tested before shipment, with factory acceptance test documentation, quality inspection reports and serial-number records. ### Witnessed inspection Third-party inspection or a witnessed factory acceptance test can be arranged for eligible projects. ### Warranty and service A minimum 36-month manufacturer warranty issued by Entogo Inc., with after-sales requests answered within one business day. ### Confidentiality and origin Your specifications and branding are covered by a non-disclosure agreement. China is stated as the country of origin up front for duty and origin planning. Base models ## Catalogue storage systems we build on [![Entogo industrial and commercial integrated liquid-cooled energy storage system cabinet](https://entogo.ca/_astro/Entogo-Industrial-Commercial-Integrated-Liquid-Cooled-Energy-Storage-System.BSrqAAfB_Z1vW6cz.webp) Battery energy storage ### Industrial & Commercial Liquid-Cooled Energy Storage System An all-in-one industrial and commercial liquid-cooled energy storage system that integrates the battery cluster, BMS, EMS, PCS, liquid-cooling control and fire protection in a single cabinet for factories, commercial complexes and data centers. View](https://entogo.ca/products/liquid-cooled-energy-storage-system/)[![Entogo industrial and commercial integrated air-cooled energy storage system cabinet](https://entogo.ca/_astro/Entogo-Industrial-Commercial-Integrated-Air-Cooled-Energy-Storage-System.DDB2NNNu_2nF0CY.webp) Battery energy storage ### Industrial & Commercial Air-Cooled Energy Storage System An all-in-one industrial and commercial air-cooled energy storage system that integrates the battery cluster, BMS, EMS, PCS, air-conditioning control and fire protection in a single cabinet for factories, commercial complexes and data centers. View](https://entogo.ca/products/air-cooled-energy-storage-system/)[![Entogo containerized battery energy storage system](https://entogo.ca/_astro/Entogo-Containerized-Battery-Energy-Storage-System.jEY9YE11_2t5FHN.webp) Battery energy storage ### Containerized Battery Energy Storage System A 2570 kWh containerized battery energy storage system with intelligent air-conditioning cooling, PV DC-coupled integration and pack-level perfluorohexanone fire protection, shipped as a pre-installed container weighing under 26 tons. View](https://entogo.ca/products/containerized-battery-energy-storage-system/)[![Entogo battery energy storage system cabinet](https://entogo.ca/_astro/Entogo-Battery-Energy-Storage-System.BRyOnUdE_1fisug.webp) Battery energy storage ### Battery Energy Storage System A compact 200–225 kWh battery energy storage system with three-level BMS and multi-cluster parallel batteries, plus optional PV DC-coupled access through a hub-and-spoke MPPT controller and a unified DC input for protected battery charging. View](https://entogo.ca/products/battery-energy-storage-system/)[![Entogo DC-coupled energy storage and charging system](https://entogo.ca/_astro/Entogo-DC-Coupled-Energy-Storage-And-Charging-System.D4uXO3Xs_ZMBf5Y.webp) Battery energy storage ### DC-Coupled Energy Storage & Charging System A DC-coupled energy-storage-and-charging system that uses existing transformers to add storage and EV charging without grid capacity expansion — a flexible stack with split terminals lets parking and charging coexist at sites with time-of-use (peak/off-peak) price differentials. View](https://entogo.ca/products/dc-coupled-energy-storage-charging-system/)[![Entogo DC-coupled grid-forming off-grid PV-storage-diesel hybrid system](https://entogo.ca/_astro/Entogo-DC-Coupled-Grid-Forming-Off-Grid-PV-Storage-Diesel-Hybrid-System.DayMLnXu_ZlX6fP.webp) Battery energy storage ### DC-Coupled Grid-Forming PV-Storage Hybrid System A DC-coupled grid-forming / off-grid PV-storage system (PV-storage-diesel hybrid) offering seamless switchover to off-grid operation without loss of power, higher DC-coupled charging efficiency, larger installable PV capacity and external multi-channel PV MPPT in place of combiner boxes. View](https://entogo.ca/products/dc-coupled-grid-forming-hybrid-system/)[![Entogo MW-level grid-connected and off-grid energy storage system](https://entogo.ca/_astro/Entogo-Large-Scale-MW-Level-Grid-Connected-Off-Grid-System.CVY2yqgu_Z106TL1.webp) Battery energy storage ### MW-Level Grid-Connected & Off-Grid System A highly integrated, MW-scale grid-connected and off-grid energy system with PV DC access and MPPT (a DC-coupled PV-ESS microgrid), integrated BMS/PCS/EMS control, a built-in STS with sub-20 ms source switching and 1+1 parallel operation. View](https://entogo.ca/products/large-scale-mw-grid-connected-off-grid-system/) OEM ## BESS OEM questions - **Can you supply battery energy storage systems under our brand?**: Yes. Entogo supplies C&I cabinets and containerized BESS private-label, with your brand on the enclosure, nameplate and documentation. Minimum order quantity, branding and packaging are confirmed per project in the quotation, under NDA if required. - **Can the EMS and monitoring software be white-labeled?**: White-labeling of the EMS interface and monitoring screens can be included. What can be rebranded, and how control strategies are configured for your application, is confirmed in the quotation. - **Which certifications are available for your BESS products?**: Entogo certifies its storage systems to your market’s requirements on request — for example UL 9540 and UL 9540A with CSA in North America, or IEC 62619 / IEC 62933 and CE marking for export markets. The certification, test reports, timing and scope for your system are confirmed in the quotation. - **What capacities and configurations can you build?**: Catalogue platforms range from 100 kW / 215–232 kWh C&I cabinets and 200–225 kWh compact systems to 2570 kWh containers and MW-level grid-connected / off-grid systems. Cabinets and containers can be paralleled, and the configuration is sized to your project. - **Can storage be combined with PV and EV charging?**: Yes. DC-coupled systems integrate PV through MPPT, and the storage-and-charging systems add EV charging on existing transformer capacity — useful where grid-connection capacity is the constraint. - **What warranty applies to an OEM storage system?**: A minimum 36-month manufacturer warranty, issued by Entogo Inc. as the contracting party; the exact term, coverage and start point are confirmed per contract. After-sales requests are answered within one business day. OEM by product line ## Every product line, available OEM, customized or private-label - [Transformers & substations Pad-mounted, pole-mounted, dry-type and power transformers and packaged unit substations — built to your drawings, customized or under your brand.](https://entogo.ca/contract-manufacturing/transformers/) - [Switchgear & distribution Metal-clad, metal-enclosed and pad-mounted MV switchgear, LV switchboards, switchgear and MCCs, and metering equipment — to your spec or under your brand.](https://entogo.ca/contract-manufacturing/switchgear/) - [EV chargers AC home and commercial chargers, DC fast and ultra-fast chargers and PV-storage charging units — OEM or white-label under your brand.](https://entogo.ca/contract-manufacturing/ev-chargers/) OEM ## Tell us about your storage project or product line. [Request an OEM quote](https://entogo.ca/contract-manufacturing/#rfq) Use case, capacity, site and target market — our engineering team replies within one business day, under NDA if you need one. ## Structured data (JSON-LD) ```json {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Entogo home","item":"https://entogo.ca/"},{"@type":"ListItem","position":2,"name":"OEM & contract manufacturing","item":"https://entogo.ca/contract-manufacturing/"},{"@type":"ListItem","position":3,"name":"Battery energy storage"}],"inLanguage":"en"} ``` ```json {"@context":"https://schema.org","@type":"Service","name":"BESS OEM manufacturer for commercial, industrial and utility storage","serviceType":"BESS OEM manufacturer for commercial, industrial and utility storage","provider":{"@id":"https://entogo.ca/#organization"},"areaServed":["Global","CA","US"],"description":"Entogo is a BESS OEM manufacturer for integrators, EPC contractors, developers and equipment brands — a Canadian company with its own factory in China. 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