{"product_id":"fox-ess-cq7-98-28k-hv-battery-system","title":"Fox ESS CQ7 98.28kWh HV Battery Storage System","description":"\u003cdiv style=\"font-size: 16px; line-height: 1.6;\"\u003e\n\u003ch1 style=\"text-align: center;\"\u003eFox ESS CQ7 98.28kWh HV Battery System\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eModular 98.28kWh high‑voltage Fox ESS CQ7 battery stack for larger commercial and industrial loads.\u003c\/li\u003e\n\u003cli\u003eHigh‑efficiency LFP chemistry with 90–100% depth of discharge and IP65 protection for indoor or outdoor stand‑mounted installation.\u003c\/li\u003e\n\u003cli\u003eDesigned to work with compatible Fox ESS hybrid and C\u0026amp;I inverters, with CAN communication and integrated fire protection functions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBrief description\u003c\/h2\u003e\n\u003cp\u003eThe Fox ESS CQ7 98.28kWh HV Battery Storage System is a stackable high‑voltage lithium iron phosphate battery solution for commercial and industrial applications. It uses modular CQ7‑80 battery blocks with a nominal 7.02kWh capacity each, configured here as a CQ7‑80‑L14 system (one master plus 13 slave modules) for 98.28kWh of storage at 806.4V nominal.\u003c\/p\u003e\n\u003cp\u003eThe system offers high round‑trip efficiency, wide operating temperature ranges, and simple plug‑and‑play installation with CAN‑based communication to Fox ESS inverters and BMS.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e98.28kWh usable storage, expandable\u003c\/strong\u003e – CQ7‑80‑L14 system of one master and 13 slave modules delivering 98.28kWh at 806.4V nominal. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh‑voltage LFP design\u003c\/strong\u003e – Lithium iron phosphate cells with 90% depth of discharge (system‑level) and 100% DOD for CQ7‑80(w) variants, enabling high usable capacity and long cycle life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust operating envelope\u003c\/strong\u003e – Wide charge and discharge temperature ranges, optional warm‑up function for low‑temperature operation, and natural convection cooling for reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular plug‑and‑play installation\u003c\/strong\u003e – Stackable master and slave modules with integrated DC and communication links, IP65 ingress protection and stand‑mount mechanical design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified safety and EMC\u003c\/strong\u003e – IEC 62619, IEC 61000‑6‑1\/2\/3\/4 and UN38.3 tested, with integrated fire protection and class I protective class for demanding sites.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhere to use this system\u003c\/h2\u003e\n\u003cp\u003eThe Fox ESS CQ7 98.28kWh HV Battery Storage System is suited to medium‑scale commercial and industrial storage projects where a compact, modular high‑voltage battery cabinet is required. Typical use cases include peak‑shaving and bill reduction for small factories and warehouses, behind‑the‑meter storage for commercial PV systems, and backup for critical plant or IT loads when paired with compatible Fox ESS hybrid or AC‑coupled inverters.\u003c\/p\u003e\n\u003cp\u003eBecause CQ7 is a high‑voltage system, installation, commissioning and integration must be carried out by qualified electricians familiar with Fox ESS equipment and local standards. Energian can help with system sizing and introduce trusted UK partners to design and install complete Fox ESS CQ7 projects.\u003c\/p\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ch3\u003eGeneral description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct series:\u003c\/strong\u003e CQ7 high voltage storage battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery chemistry:\u003c\/strong\u003e LFP (LiFePO₄).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem structure:\u003c\/strong\u003e CQ = CQ‑M (master) + CQ‑S (slave) modules; CQ7‑80 systems built from CQ7‑M‑80 and CQ7‑S‑80 modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScalability:\u003c\/strong\u003e Max. 14 modules in series per stack (one master plus up to 13 slaves).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation location:\u003c\/strong\u003e Outdoor \/ indoor (stand‑mounted).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling method:\u003c\/strong\u003e Natural convection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication interface:\u003c\/strong\u003e CAN.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e CQ7‑S‑80: LED ×1; CQ7‑M‑80: LED ×6.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical characteristics – single CQ7‑80 module\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal voltage:\u003c\/strong\u003e 57.6V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal capacity:\u003c\/strong\u003e 122Ah.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal energy:\u003c\/strong\u003e 7.02kWh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery voltage range:\u003c\/strong\u003e 52.2–65.7V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. continuous charge\/discharge current:\u003c\/strong\u003e 80A \/ 80A (CC‑CV).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard charging current:\u003c\/strong\u003e 50A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstant current and voltage charging cut‑off current:\u003c\/strong\u003e 2A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak discharge current (60s):\u003c\/strong\u003e 120A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth of discharge:\u003c\/strong\u003e 100%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort‑circuit current:\u003c\/strong\u003e 2.9kA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAltitude:\u003c\/strong\u003e ≤3000m.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical characteristics – CQ7‑80‑L14 98.28kWh\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e CQ7‑80‑L14.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of modules:\u003c\/strong\u003e 1 × CQ7‑M‑80(w) + 13 × CQ7‑S‑80(w).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal voltage:\u003c\/strong\u003e 806.4V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal capacity:\u003c\/strong\u003e 122Ah.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal energy:\u003c\/strong\u003e 98.28kWh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating voltage:\u003c\/strong\u003e 104.4–919.8V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. charge\/discharge current:\u003c\/strong\u003e 80A \/ 80A (CC‑CV).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard charging current:\u003c\/strong\u003e 50A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstant current and constant voltage charging cut‑off current:\u003c\/strong\u003e 2A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak discharge current (60s):\u003c\/strong\u003e 120A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth of discharge:\u003c\/strong\u003e 100%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge capacity (per Ah rating):\u003c\/strong\u003e 90Ah at −20±2°C @ 1\/3C; 104Ah at 25±2°C @ 1\/3C; 104Ah at 55±2°C @ 1\/3C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle life:\u003c\/strong\u003e ≥6000 cycles at 25°C, 70% SOH.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOperating conditions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature (standard):\u003c\/strong\u003e Charge 0–55°C; discharge −10–55°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature (warm‑up function on, optional):\u003c\/strong\u003e Charge −25–55°C; discharge −25–55°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage temperature:\u003c\/strong\u003e −10–50°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 5–95% RH, non‑condensing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAltitude:\u003c\/strong\u003e Max. 3000m.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Natural convection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure type:\u003c\/strong\u003e Stand‑mounted stack, IP65.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase module dimensions (W × D):\u003c\/strong\u003e 660 × 360mm.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSystem height vs capacity (CQ7‑80‑Lx):\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCQ7‑80‑L2: 420mm height; 105.5kg weight; 72.4kg cell net weight.\u003c\/li\u003e\n\u003cli\u003eCQ7‑80‑L3: 575mm; 156.0kg; 108.5kg cell net weight.\u003c\/li\u003e\n\u003cli\u003eCQ7‑80‑L4: 730mm; 206.5kg; 144.7kg cell net weight.\u003c\/li\u003e\n\u003cli\u003eCQ7‑80‑L5: 885mm; 257.0kg; 180.9kg cell net weight.\u003c\/li\u003e\n\u003cli\u003eCQ7‑80‑L6: 1040mm; 307.5kg; 217.1kg cell net weight.\u003c\/li\u003e\n\u003cli\u003eCQ7‑80‑L7: 1195mm; 358.0kg; 253.3kg cell net weight.\u003c\/li\u003e\n\u003cli\u003eCQ7‑80‑L8: 1350mm; 408.5kg; 289.4kg cell net weight.\u003c\/li\u003e\n\u003cli\u003eCQ7‑80‑L9: 1505mm; 459.0kg; 325.6kg cell net weight.\u003c\/li\u003e\n\u003cli\u003eCQ7‑80‑L10: 1660mm; 509.5kg; 361.8kg cell net weight.\u003c\/li\u003e\n\u003cli\u003eCQ7‑80‑L11: 1815mm; 560.0kg; 398.0kg cell net weight.\u003c\/li\u003e\n\u003cli\u003eCQ7‑80‑L12: 1970mm; 610.5kg; 434.2kg cell net weight.\u003c\/li\u003e\n\u003cli\u003eCQ7‑80‑L13: 2125mm; 661.0kg; 470.3kg cell net weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCQ7‑80‑L14:\u003c\/strong\u003e 2280mm; 711.5kg; 506.5kg cell net weight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProtection and certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire protection:\u003c\/strong\u003e Fire protection function: YES.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e IEC 62619.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMC:\u003c\/strong\u003e IEC 61000‑6‑1\/‑2\/‑3\/‑4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransportation:\u003c\/strong\u003e UN38.3.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIngress protection:\u003c\/strong\u003e IP65.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective class:\u003c\/strong\u003e Class I.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDocuments available for download\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/CQ7vDatasheet_e0285477-13b4-4c6e-a1d3-e1e709bdb380.pdf?v=1784723987\" rel=\"noopener\" target=\"_blank\"\u003eFox ESS CQ7 High Voltage Storage Battery – Datasheet\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/CQ7vDatasheet.pdf?v=1784273329\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e \u003c\/li\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/User_manual_599e0e69-8c56-4f61-bde2-163b34cea554.pdf?v=1784724203\" rel=\"noopener\" target=\"_blank\"\u003eFox ESS CQ Series CQ6 \/ CQ7 – User Manual\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/User_manual.pdf?v=1784273419\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/Installation_manual_2461bb57-b24a-4e8e-a916-bf2d0ebcd60e.pdf?v=1784724365\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003eFox ESS CQ Series CQ6\/CQ7 - Installation Manual\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eShipping and support\u003c\/h2\u003e\n\u003cp\u003eShipping is available to the UK, Ireland, Africa, the Caribbean and worldwide. If a shipping rate is not shown at checkout, please contact us on +44 20 8064 0335 or \u003ca href=\"mailto:info@energian.co.uk\"\u003einfo@energian.co.uk\u003c\/a\u003e for a quotation.\u003c\/p\u003e\n\u003cp\u003eUK expert support is available – contact us with any questions or support requests via phone, email or live chat, or visit our office for an in‑person consultation about Fox ESS CQ7 systems and other commercial and industrial energy storage solutions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Fox ESS","offers":[{"title":"Default Title","offer_id":57696449233278,"sku":"CQ7-80-L14","price":42950.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/FoxESS56kWhCQ7baterystack.jpg?v=1784273880","url":"https:\/\/www.energian.co.uk\/products\/fox-ess-cq7-98-28k-hv-battery-system","provider":"Energian","version":"1.0","type":"link"}