{"product_id":"fox-ess-fox-eq2900-2-88kwh-hv-battery-master","title":"Fox EQ2900 2.88kWh HV Battery (Master)","description":"\u003cdiv class=\"deco-product-description\"\u003e\n\n  \u003ch2\u003eFox ESS EQ2900 2.88kWh High-Voltage Battery Module (Master)\u003c\/h2\u003e\n\n  \u003cp\u003eThe Fox ESS EQ2900 Master (part number FE-HV-EQM-2900, supplier part number FE-EQ2900-M, model EQM2900) is the master high-voltage battery module in the Fox ESS EQ Series. Each module delivers 2.88 kWh using LFP (LiFePO₄) chemistry with 90% depth of discharge and a round-trip efficiency greater than 95%. The modular, floor-mounted, stackable design supports a minimum configuration of 2 modules (1 x Master + 1 x Slave) up to a maximum of 7 modules per stack (1 x Master + 6 x Slaves) for 20.16 kWh total capacity. The EQ2900 Master includes the system controller and is required in every stack. CAN\/RS485 communication, IP65 rated, with a 12-year warranty upon registration. Compatible with the full range of Fox ESS single-phase and three-phase hybrid and AC inverters. Available from DECO Group, a UK-based solar wholesaler for professional trade installers.\u003c\/p\u003e\n\n  \u003ch3\u003eKey Technical Details (Single Master Module)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePart number: FE-HV-EQM-2900\u003c\/li\u003e\n    \u003cli\u003eSupplier part number: FE-EQ2900-M\u003c\/li\u003e\n    \u003cli\u003eModel: EQM2900 (Master)\u003c\/li\u003e\n    \u003cli\u003eBattery chemistry: LFP (LiFePO₄)\u003c\/li\u003e\n    \u003cli\u003eNominal energy: 2,880 Wh (2.88 kWh) per module\u003c\/li\u003e\n    \u003cli\u003eDepth of discharge: 90%\u003c\/li\u003e\n    \u003cli\u003eRound-trip efficiency: greater than 95%\u003c\/li\u003e\n    \u003cli\u003eContinuous discharge rate: 2,875 W\u003c\/li\u003e\n    \u003cli\u003eMaximum discharge rate (5 minutes): 2,875 W\u003c\/li\u003e\n    \u003cli\u003eSurge discharge rate (15 seconds): 3,737 W\u003c\/li\u003e\n    \u003cli\u003eMaximum charge rate (5 minutes): 2,875 W\u003c\/li\u003e\n    \u003cli\u003eCommunication: CAN \/ RS485\u003c\/li\u003e\n    \u003cli\u003eDisplay: LED x 6\u003c\/li\u003e\n    \u003cli\u003eIngress protection: IP65\u003c\/li\u003e\n    \u003cli\u003eWeight: 37 kg\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eStack Specifications (EQ2900-L2: 1 x Master + 1 x Slave)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eNominal capacity: 5,760 Wh (5.76 kWh)\u003c\/li\u003e\n    \u003cli\u003eNominal voltage: 115.2 V\u003c\/li\u003e\n    \u003cli\u003eOperating voltage: 97.2 V to 131.4 V\u003c\/li\u003e\n    \u003cli\u003eRecommended discharge current: 25 A\u003c\/li\u003e\n    \u003cli\u003eMaximum charge\/discharge current: 50 A\u003c\/li\u003e\n    \u003cli\u003ePeak discharge current: 65 A @ 60 seconds\u003c\/li\u003e\n    \u003cli\u003eCycle life: ≥6,000 cycles (measured at 25°C, 90% DoD, 0.5C charge\/discharge)\u003c\/li\u003e\n    \u003cli\u003eScalability: Maximum 7 modules in series per stack\u003c\/li\u003e\n    \u003cli\u003eMaximum stack capacity: 20.16 kWh (1 x Master + 6 x Slaves)\u003c\/li\u003e\n    \u003cli\u003eDimensions (2-module stack): 570 x 350 x 380 mm (W x H x D)\u003c\/li\u003e\n    \u003cli\u003eWeight (2-module stack): 71.1 kg\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eEnvironmental and General\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOperating temperature: Charge 0°C to 55°C; Discharge -10°C to 55°C\u003c\/li\u003e\n    \u003cli\u003eStorage temperature: -10°C to 40°C\u003c\/li\u003e\n    \u003cli\u003eCooling: Natural convection\u003c\/li\u003e\n    \u003cli\u003eHumidity: 5% to 95% (no condensation)\u003c\/li\u003e\n    \u003cli\u003eMaximum altitude: 3,000 m\u003c\/li\u003e\n    \u003cli\u003eInstallation: Outdoor or indoor, floor-mounted (stand)\u003c\/li\u003e\n    \u003cli\u003eIngress protection: IP65\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e2.88 kWh per module with long-life LFP chemistry and 90% usable depth of discharge\u003c\/li\u003e\n    \u003cli\u003eScalable from 5.76 kWh (2 modules) up to 20.16 kWh (7 modules) per stack\u003c\/li\u003e\n    \u003cli\u003eRound-trip efficiency greater than 95% with cycle life of 6,000 cycles or more\u003c\/li\u003e\n    \u003cli\u003eFloor-mounted, stackable form factor with compact footprint and plug-and-play buckle-fixing design\u003c\/li\u003e\n    \u003cli\u003eCAN\/RS485 communication for system integration and monitoring\u003c\/li\u003e\n    \u003cli\u003eIP65 rated for indoor or outdoor installation\u003c\/li\u003e\n    \u003cli\u003eCompatible with the full range of Fox ESS single-phase and three-phase hybrid and AC inverters\u003c\/li\u003e\n    \u003cli\u003e12-year warranty upon registration with Fox ESS\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSystem Compatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eCompatible with all Fox ESS single-phase and three-phase hybrid inverters and AC charger inverters\u003c\/li\u003e\n    \u003cli\u003eThis is the master module and is required in every EQ2900 battery stack\u003c\/li\u003e\n    \u003cli\u003eSingle-phase minimum configuration: 1 x Master + 1 x Slave\u003c\/li\u003e\n    \u003cli\u003eThree-phase minimum configuration: 1 x Master + 2 x Slaves\u003c\/li\u003e\n    \u003cli\u003eMaximum configuration: 1 x Master + 6 x Slaves (7 modules, 20.16 kWh)\u003c\/li\u003e\n    \u003cli\u003eWhen adding modules to a pre-existing stack, new batteries must be compatible with the original modules. Contact your technical support team with a photograph of the existing stack to confirm compatibility.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFloor-mounted stackable installation with plug-and-play buckle fixing\u003c\/li\u003e\n    \u003cli\u003eAt 37 kg per master module, a two-person lift is required\u003c\/li\u003e\n    \u003cli\u003eIP65 rated for indoor or outdoor siting\u003c\/li\u003e\n    \u003cli\u003eEnsure the stack configuration meets the inverter battery voltage window for the chosen system design\u003c\/li\u003e\n    \u003cli\u003eMust be installed by a qualified electrician or technician in compliance with local wiring regulations\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCertifications and Compliance\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eIEC 62619 (Safety)\u003c\/li\u003e\n    \u003cli\u003eEMC: EN IEC 61000-6-1\/2\/3\/4\u003c\/li\u003e\n    \u003cli\u003eTransportation: UN38.3\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e12-year warranty upon registration with Fox ESS online\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Questions\u003c\/h3\u003e\n  \u003cp\u003e\u003cem\u003eClick a question below to reveal the answer.\u003c\/em\u003e\u003c\/p\u003e\n  \u003cstyle\u003e\n    .deco-product-description details {\n      border-bottom: 1px solid #e0e0e0;\n      padding: 12px 0;\n    }\n    .deco-product-description details summary {\n      cursor: pointer;\n      font-weight: 600;\n      list-style: none;\n      display: flex;\n      justify-content: space-between;\n      align-items: center;\n    }\n    .deco-product-description details summary::-webkit-details-marker {\n      display: none;\n    }\n    .deco-product-description details summary::after {\n      content: \"+\";\n      font-size: 1.25em;\n      font-weight: 700;\n      margin-left: 12px;\n      flex-shrink: 0;\n    }\n    .deco-product-description details[open] summary::after {\n      content: \"\\2212\";\n    }\n    .deco-product-description details p {\n      margin-top: 8px;\n    }\n  \u003c\/style\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan the Fox ESS EQ2900 Master operate on its own?\u003c\/summary\u003e\n    \u003cp\u003eNo. The EQ2900 system requires a minimum of 2 modules: 1 x Master + 1 x Slave for single-phase, or 1 x Master + 2 x Slaves for three-phase systems.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the difference between the EQ2900 Master and Slave?\u003c\/summary\u003e\n    \u003cp\u003eThe Master module (EQM2900) contains the system controller and is required in every stack. Only one Master is used per stack; additional capacity is added using Slave modules (EQS2900). Both modules have 2.88 kWh capacity.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow many EQ2900 modules can be installed in one stack?\u003c\/summary\u003e\n    \u003cp\u003eA maximum of 7 modules per stack (1 x Master + 6 x Slaves), giving a total capacity of 20.16 kWh.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat inverters are compatible with the Fox ESS EQ2900?\u003c\/summary\u003e\n    \u003cp\u003eThe EQ2900 is compatible with the full range of Fox ESS single-phase and three-phase hybrid inverters and AC charger inverters.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the cycle life of the Fox ESS EQ2900?\u003c\/summary\u003e\n    \u003cp\u003eThe EQ2900 is rated at 6,000 cycles or more, measured at 25°C, 90% DoD, and 0.5C charge\/discharge rate.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cp\u003eDECO Group supplies Fox ESS EQ2900 master and slave battery modules alongside compatible hybrid inverters, AC charger inverters, and all associated system components. Browse our Fox ESS battery storage catalogue for complete scalable energy storage system configurations.\u003c\/p\u003e\n\n  \u003ch3\u003eAbout DECO Group\u003c\/h3\u003e\n  \u003cp\u003eWe are a UK solar and energy storage wholesaler supplying high-voltage battery modules, hybrid inverters, and balance-of-system components to professional installers and electrical contractors. Our Fox ESS EQ battery range is stocked with both master and slave modules for flexible system sizing. Visit decogroup.co.uk for the full catalogue.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Fox ESS","offers":[{"title":"Default Title","offer_id":56936124481909,"sku":"FE-HV-EQM-2900","price":851.04,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/0216\/9403\/files\/FE-HV-EQM-2900_020b176d-aa82-4375-80dd-6f59d6d59846.png?v=1775670188","url":"https:\/\/decogroup.co.uk\/products\/fox-ess-fox-eq2900-2-88kwh-hv-battery-master","provider":"DECO Group","version":"1.0","type":"link"}