{"product_id":"fe-pq1-8-0","title":"Fox ESS PQ Series 8kW Stackable All-In-One with Heating Function","description":"\u003cdiv class=\"cr-pdp\"\u003e\n\n  \u003csection class=\"cr-hero\"\u003e\n    \u003cdiv class=\"cr-eyebrow\"\u003eFox ESS · PQ1 Series\u003c\/div\u003e\n    \u003ch2\u003eFox ESS PQ Series 8kW Stackable All-In-One with Heating Function\u003c\/h2\u003e\n    \u003cp class=\"cr-sub\"\u003e\u003cstrong\u003eFox ESS PQ1 Series\u003c\/strong\u003e — An all-in-one that stacks: inverter, battery and heating in one floor-standing tower.\u003c\/p\u003e\n      \u003cp\u003eThe PQ1 is not a wall-hung inverter with a battery next to it. It is a single floor-standing unit that contains the inverter and stacks battery modules underneath, with the cabling between them made at the factory rather than on site. For an installer that removes the battery cabling, the comms cabling and most of the commissioning; for a customer it removes a second box from the wall.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"cr-specgrid\"\u003e\n    \u003cdiv class=\"cr-speccard\"\u003e\n\u003cdiv class=\"cr-lbl\"\u003eRated AC output\u003c\/div\u003e\n\u003cstrong\u003e8,000 W\u003c\/strong\u003e\u003cspan\u003eSingle phase on-grid output\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"cr-speccard\"\u003e\n\u003cdiv class=\"cr-lbl\"\u003eBackup output\u003c\/div\u003e\n\u003cstrong\u003e8,000 VA\u003c\/strong\u003e\u003cspan\u003eContinuous EPS power in a grid outage\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"cr-speccard\"\u003e\n\u003cdiv class=\"cr-lbl\"\u003eMaximum PV input\u003c\/div\u003e\n\u003cstrong\u003e20,000 W\u003c\/strong\u003e\u003cspan\u003eArray size this inverter accepts\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"cr-speccard\"\u003e\n\u003cdiv class=\"cr-lbl\"\u003eBattery window\u003c\/div\u003e\n\u003cstrong\u003e80 – 500 V\u003c\/strong\u003e\u003cspan\u003eThe architecture it takes\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"cr-speccard\"\u003e\n\u003cdiv class=\"cr-lbl\"\u003eMPP trackers\u003c\/div\u003e\n\u003cstrong\u003e4\u003c\/strong\u003e\u003cspan\u003eIndependent roof planes\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"cr-speccard\"\u003e\n\u003cdiv class=\"cr-lbl\"\u003ePeak efficiency\u003c\/div\u003e\n\u003cstrong\u003e97.62 %\u003c\/strong\u003e\u003cspan\u003eConversion efficiency at best\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"cr-speccard\"\u003e\n\u003cdiv class=\"cr-lbl\"\u003eBackup switch time\u003c\/div\u003e\n\u003cstrong\u003e\u0026lt;4 ms\u003c\/strong\u003e\u003cspan\u003eHow fast it takes over\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"cr-speccard\"\u003e\n\u003cdiv class=\"cr-lbl\"\u003eWarranty\u003c\/div\u003e\n\u003cstrong\u003e5 years\u003c\/strong\u003e\u003cspan\u003eStandard, 10 years when the installation is registered with Fox ESS online\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"cr-section\"\u003e\n    \u003cdiv class=\"cr-eyebrow\"\u003eOverview\u003c\/div\u003e\n    \u003ch2\u003eAbout the Fox ESS PQ1 Series\u003c\/h2\u003e\n    \u003cp\u003eThe heating function is the detail that matters in a British winter. Lithium cells cannot be charged below 0 °C without damage, and an unheated outdoor battery in an unheated garage will refuse to charge on the coldest mornings — exactly when the tariff is cheapest. The PQ1 warms its own cells.\u003c\/p\u003e\n    \u003cp\u003eIt runs from 3.68 kW to 12 kW with two to four MPP trackers, IP66 for outdoor use, and up to three units in parallel. Maximum battery charge power is 12 kW across the range, and depth of discharge is 90 %.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"cr-section\"\u003e\n    \u003cdiv class=\"cr-eyebrow\"\u003eBattery compatibility\u003c\/div\u003e\n    \u003ch2\u003eWhich battery does this inverter take?\u003c\/h2\u003e\n\u003cp\u003eThis inverter takes \u003cstrong\u003eHigh voltage Fox ESS stacks\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis model has a battery voltage window of \u003cstrong\u003e80 – 500 V\u003c\/strong\u003e, a maximum charge or discharge current of \u003cstrong\u003e50 \/ 50 A\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA stack is one master module, which carries the BMS, plus matching slave modules of the same type. Module types are never mixed in one stack. These are the counts this inverter is listed for — Product Compatibility Fox ESS UK 2026, the module count range for this inverter family:\u003c\/p\u003e\n    \u003cdiv class=\"cr-table\"\u003e\n      \u003cspan class=\"cr-subhead\"\u003eBattery modules this inverter accepts\u003c\/span\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eEQ5000\u003c\/span\u003e\u003cstrong\u003e2 to 6 modules — 9.84 to 29.52 kWh\u003c\/strong\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n\u003cp\u003eWhat we stock that fits this inverter:\u003c\/p\u003e\n    \u003cdiv class=\"cr-links\"\u003e\n      \u003cdiv class=\"cr-link\"\u003e\n\u003ca href=\"\/products\/fe-hv-eqm-5000\"\u003eFox EQ5000 4.92kWh HV Battery (Master)\u003c\/a\u003e\u003cspan\u003e2 to 6 modules on this inverter, 9.8 to 29.5 kWh.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"cr-warn\"\u003eFox high-voltage modules are not mixed: a stack is one type, one master and the matching slaves, and the module count must sit inside the range above for this inverter. A Fox low-voltage battery (LV52) will not work on any of these inverters, and a high-voltage stack will not work on a low-voltage one.\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"cr-section\"\u003e\n    \u003cdiv class=\"cr-highlight\"\u003e\n      \u003cdiv class=\"cr-eyebrow\"\u003eFor the installer\u003c\/div\u003e\n      \u003ch2\u003eString design, battery limits and what is in the box\u003c\/h2\u003e\n      \u003cp\u003eThe details that decide whether this unit suits the job:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eBattery is EQ5000 modules, 80 – 500 V, 2 to 6 per system. Fox's compatibility matrix lists only the EQ5000 against PQ1 — the CQ7 is not a supported pairing.\u003c\/li\u003e\n        \u003cli\u003eNote the minimum battery voltage at full AC load: 78 V on the 3.7 kW rising to 247 V on the 12 kW. A two-module stack will not deliver full output on a 12 kW unit.\u003c\/li\u003e\n        \u003cli\u003eMaximum battery charge power 12,000 W across the range; discharge matches the AC rating. 50 A charge and 50 A discharge.\u003c\/li\u003e\n        \u003cli\u003e3.7 and 5.0 kW have two MPP trackers; 6.0 kW has three; 8.0 kW and above have four. 8,000 W per tracker, 20 A, 25 A Isc.\u003c\/li\u003e\n        \u003cli\u003eAC input up to 14.5 kVA and 63 A on the 7 kW and above — configurable on the platform.\u003c\/li\u003e\n        \u003cli\u003eEPS load start capability is 122 A for 2 seconds, with bypass to 63 A.\u003c\/li\u003e\n        \u003cli\u003eFloor mounted, 570 × 420 × 380 mm and 35 kg for the power module. IP66.\u003c\/li\u003e\n        \u003cli\u003e3.7 to 6.0 kW are convection cooled under 35 dB; 7 kW and above use fans at under 50 dB.\u003c\/li\u003e\n        \u003cli\u003eBattery warming function and AFCI are both optional. DC switch is fitted.\u003c\/li\u003e\n        \u003cli\u003eThe datasheet's grid regulation row quotes AS\/NZS 4777.2:2020 and IEC 62619:2022 for the battery. For a UK G98 or G99 application ask us for the current Fox certificate that matches your firmware and we will send it with the order.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"cr-section cr-dark\"\u003e\n    \u003cdiv class=\"cr-eyebrow\"\u003eApplications\u003c\/div\u003e\n    \u003ch2\u003eWhere this hybrid earns its place\u003c\/h2\u003e\n    \u003cp\u003eThe PQ1 Series is specified most often for these jobs.\u003c\/p\u003e\n    \u003cdiv class=\"cr-appgrid\"\u003e\n      \u003cdiv class=\"cr-app\"\u003e\n\u003cstrong\u003eSolar and storage in one install\u003c\/strong\u003e\u003cspan\u003eInverter and battery in a single floor-standing unit.\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-app\"\u003e\n\u003cstrong\u003eCold or unheated locations\u003c\/strong\u003e\u003cspan\u003eBattery warming keeps the stack charging through a British winter.\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-app\"\u003e\n\u003cstrong\u003eOutdoor installation\u003c\/strong\u003e\u003cspan\u003eIP66 rather than IP65.\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-app\"\u003e\n\u003cstrong\u003eRetrofit where wall space is short\u003c\/strong\u003e\u003cspan\u003eFloor standing, one footprint.\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-app\"\u003e\n\u003cstrong\u003ePhased capacity\u003c\/strong\u003e\u003cspan\u003eTwo to six battery modules, added over time.\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-app\"\u003e\n\u003cstrong\u003eLarger homes\u003c\/strong\u003e\u003cspan\u003eUp to three units in parallel at 12 kW each.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"cr-section\"\u003e\n    \u003cdiv class=\"cr-eyebrow\"\u003eBefore you order\u003c\/div\u003e\n    \u003ch2\u003eThings worth knowing about this listing\u003c\/h2\u003e\n    \u003cdiv class=\"cr-warn\"\u003eThese notes come from us and from the manufacturer, and they are the ones that most often cause a problem after delivery:\n      \u003cul\u003e\n        \u003cli\u003eBattery compatibility: 2 to 6 × Fox ESS FE-HV-EQS-5000 modules.\u003c\/li\u003e\n        \u003cli\u003eRegister the installation with Fox ESS at \u003ca href=\"https:\/\/fox-ess.com\/warranty-registration-2\/\" rel=\"nofollow\"\u003efox-ess.com\u003c\/a\u003e to activate the 10-year warranty. Unregistered, the cover is 5 years.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"cr-section\"\u003e\n    \u003cdiv class=\"cr-eyebrow\"\u003eTechnical specification\u003c\/div\u003e\n    \u003ch2\u003eFox ESS PQ1-8.0 technical data\u003c\/h2\u003e\n    \u003cdiv class=\"cr-table\"\u003e\n      \u003cspan class=\"cr-subhead\"\u003eThis model\u003c\/span\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum PV array power\u003c\/span\u003e\u003cstrong\u003e24,000 W\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum PV input power\u003c\/span\u003e\u003cstrong\u003e20,000 W\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMPPT voltage range at full load\u003c\/span\u003e\u003cstrong\u003e105 – 550 V\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum input current\u003c\/span\u003e\u003cstrong\u003e20 \/ 20 \/ 20 \/ 20 A\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum short circuit current\u003c\/span\u003e\u003cstrong\u003e25 \/ 25 \/ 25 \/ 25 A\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eNumber of MPP trackers\u003c\/span\u003e\u003cstrong\u003e4\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eStrings per MPP tracker\u003c\/span\u003e\u003cstrong\u003e1 + 1 + 1 + 1\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMinimum battery voltage at full AC load\u003c\/span\u003e\u003cstrong\u003e165 V\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum battery discharge power\u003c\/span\u003e\u003cstrong\u003e8,000 W\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cspan class=\"cr-subhead\"\u003eOutput, backup and performance\u003c\/span\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eRated AC output power\u003c\/span\u003e\u003cstrong\u003e8,000 W\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum apparent AC power\u003c\/span\u003e\u003cstrong\u003e8,800 VA\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eRated AC output current\u003c\/span\u003e\u003cstrong\u003e36.4 A\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum AC output current\u003c\/span\u003e\u003cstrong\u003e40.0 A\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum AC input power (grid charging)\u003c\/span\u003e\u003cstrong\u003e14,500 VA\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum AC input current\u003c\/span\u003e\u003cstrong\u003e63.0 A\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eBackup (EPS) continuous power\u003c\/span\u003e\u003cstrong\u003e8,000 VA\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum efficiency\u003c\/span\u003e\u003cstrong\u003e97.62 %\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eEuropean efficiency\u003c\/span\u003e\u003cstrong\u003e97.20 %\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eCooling\u003c\/span\u003e\u003cstrong\u003eFan cooling\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eNoise emission\u003c\/span\u003e\u003cstrong\u003e\u0026lt;50 dB\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cspan class=\"cr-subhead\"\u003eCommon to the range\u003c\/span\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum input voltage\u003c\/span\u003e\u003cstrong\u003e600 V — above 600 V may damage the inverter\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMinimum input voltage\u003c\/span\u003e\u003cstrong\u003e75 V\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eStart-up input voltage\u003c\/span\u003e\u003cstrong\u003e80 V\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eNominal voltage\u003c\/span\u003e\u003cstrong\u003e360 V\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMPPT voltage range\u003c\/span\u003e\u003cstrong\u003e80 – 550 V\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eBattery type\u003c\/span\u003e\u003cstrong\u003eLithium-ion battery (LFP)\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eBattery voltage\u003c\/span\u003e\u003cstrong\u003e80 – 500 V\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMinimum operating battery voltage\u003c\/span\u003e\u003cstrong\u003e80 V\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum battery charge power\u003c\/span\u003e\u003cstrong\u003e12,000 W\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum charge \/ discharge current\u003c\/span\u003e\u003cstrong\u003e50 \/ 50 A\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eDepth of discharge\u003c\/span\u003e\u003cstrong\u003e90 %\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eScalability\u003c\/span\u003e\u003cstrong\u003eYes\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eRated grid voltage\u003c\/span\u003e\u003cstrong\u003e220 \/ 230 \/ 240 V, L\/N\/PE\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eRated grid frequency\u003c\/span\u003e\u003cstrong\u003e50 \/ 60 Hz, ±5\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003ePower factor\u003c\/span\u003e\u003cstrong\u003e1, adjustable 0.8 leading to 0.8 lagging\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eTHDi\u003c\/span\u003e\u003cstrong\u003e\u0026lt;3 % at rated power\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eEPS load start capability\u003c\/span\u003e\u003cstrong\u003e122 A for 2 s\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eEPS rated output voltage\u003c\/span\u003e\u003cstrong\u003e220 \/ 230 \/ 240 V, L\/N\/PE, 50 \/ 60 Hz\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eParallel operation\u003c\/span\u003e\u003cstrong\u003eYes, up to 3 units\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eEPS switch time\u003c\/span\u003e\u003cstrong\u003e\u0026lt;4 ms\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eEPS THDv at linear load\u003c\/span\u003e\u003cstrong\u003e\u0026lt;3 %\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum static MPPT efficiency\u003c\/span\u003e\u003cstrong\u003e99.90 %\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum battery charge efficiency, PV to battery at full load\u003c\/span\u003e\u003cstrong\u003e97.33 %\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eMaximum battery discharge efficiency, battery to AC at full load\u003c\/span\u003e\u003cstrong\u003e96.40 %\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003ePV reverse polarity protection\u003c\/span\u003e\u003cstrong\u003eYes\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eAnti-islanding protection\u003c\/span\u003e\u003cstrong\u003eYes\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eInsulation resistor detection\u003c\/span\u003e\u003cstrong\u003eYes\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eEarth fault\u003c\/span\u003e\u003cstrong\u003eYes\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eDC\/AC surge protection\u003c\/span\u003e\u003cstrong\u003eType II (PV) \/ Type II (AC)\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eAFCI protection\u003c\/span\u003e\u003cstrong\u003eOptional\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eBattery warming function\u003c\/span\u003e\u003cstrong\u003eOptional\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eDC switch\u003c\/span\u003e\u003cstrong\u003eYes\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eDimensions (W × H × D)\u003c\/span\u003e\u003cstrong\u003e570 × 420 × 380 mm\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eNet weight (inverter)\u003c\/span\u003e\u003cstrong\u003e35.0 kg\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eInstallation\u003c\/span\u003e\u003cstrong\u003eFloor mounted\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eOperating temperature range\u003c\/span\u003e\u003cstrong\u003e−25 °C to +60 °C, derating at +45 °C\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eStorage temperature\u003c\/span\u003e\u003cstrong\u003e−10 °C to +55 °C\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eStorage and operating relative humidity\u003c\/span\u003e\u003cstrong\u003e0 – 95 %, no condensation\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eAltitude\u003c\/span\u003e\u003cstrong\u003e\u0026lt;4,000 m, derating above 2,000 m\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eProtection class\u003c\/span\u003e\u003cstrong\u003eI\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eOvervoltage category\u003c\/span\u003e\u003cstrong\u003eIII (AC), II (DC)\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003ePollution degree\u003c\/span\u003e\u003cstrong\u003ePD3 (PD2 inside)\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eIngress protection\u003c\/span\u003e\u003cstrong\u003eIP66, outdoor use\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eStandby consumption\u003c\/span\u003e\u003cstrong\u003e\u0026lt;15 W, PV and grid only\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eInverter topology\u003c\/span\u003e\u003cstrong\u003eNon-isolated\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eCommunication interface\u003c\/span\u003e\u003cstrong\u003eEthernet, EMS (RS485), meter, WiLAN (Wi-Fi + LAN + Bluetooth), 4G (optional), DRM, ripple control, USB, BMS (CAN), SG Ready\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eDisplay\u003c\/span\u003e\u003cstrong\u003eLED, LCD, app, website\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eExport limit control\u003c\/span\u003e\u003cstrong\u003eYes\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cspan class=\"cr-subhead\"\u003eCompliance and warranty\u003c\/span\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eGrid connection standards\u003c\/span\u003e\u003cstrong\u003eAS\/NZS 4777.2:2020; battery regulation IEC 62619:2022\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eSafety and EMC\u003c\/span\u003e\u003cstrong\u003eEN\/IEC 62109-1, EN\/IEC 62109-2, EN\/IEC 62477-1, EN\/IEC 62040 (AU)\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eWarranty\u003c\/span\u003e\u003cstrong\u003e5 years standard, 10 years when the installation is registered with Fox ESS online\u003c\/strong\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-row\"\u003e\n\u003cspan\u003eSpecification source\u003c\/span\u003e\u003cstrong\u003eData Sheet Fox ESS PQ1, version 1.1, 14 February 2026\u003c\/strong\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"cr-section\"\u003e\n    \u003cdiv class=\"cr-eyebrow\"\u003eGoes with this\u003c\/div\u003e\n    \u003ch2\u003eOrdered with this inverter more often than anything else\u003c\/h2\u003e\n    \u003cp\u003eA hybrid is the middle of a system, not the whole of it. These are the parts our customers add most often:\u003c\/p\u003e\n    \u003cdiv class=\"cr-links\"\u003e\n      \u003cdiv class=\"cr-link\"\u003e\n\u003ca href=\"\/products\/fe-aio-ct\"\u003eFox CT Clamp (compatible with AC, HY \u0026amp; AIO ranges)\u003c\/a\u003e\u003cspan\u003eThe clamp the inverter reads to hold export at zero and follow the house load.\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-link\"\u003e\n\u003ca href=\"\/products\/fe-aio-em\"\u003eFox ESS Energy Meter (CHNT DDSU666)\u003c\/a\u003e\u003cspan\u003eSingle-phase energy meter, required where the run to the incoming supply is longer than 30 m.\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"cr-link\"\u003e\n\u003ca href=\"\/products\/fe-4g-2-dongle\"\u003eFox ESS 4G-2 Dongle\u003c\/a\u003e\u003cspan\u003e4G dongle for a site with no broadband at the inverter.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"cr-section cr-faq\"\u003e\n    \u003cdiv class=\"cr-eyebrow\"\u003eFrequently asked questions\u003c\/div\u003e\n    \u003ch2\u003eQuestions we get asked about this inverter\u003c\/h2\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhy does battery heating matter in the UK?\u003c\/summary\u003e\u003cp\u003eLithium cells cannot be charged below 0 °C without permanent damage, so an unheated battery simply refuses to charge on a frosty morning. That is exactly when an off-peak tariff is cheapest and when you most want a full battery. A heated stack keeps working.\u003c\/p\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhich battery does it take?\u003c\/summary\u003e\u003cp\u003eFox EQ5000 modules, two to six of them. Fox's UK compatibility matrix does not list the CQ7 against the PQ1, so do not plan on one.\u003c\/p\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eCan I start small and add modules?\u003c\/summary\u003e\u003cp\u003eYes, from two to six. But check the minimum battery voltage at full AC load for your model — on the 12 kW it is 247 V, so a small stack will limit output.\u003c\/p\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eIs it really all-in-one?\u003c\/summary\u003e\u003cp\u003eThe inverter and battery are one stacked unit with factory-made interconnects. You still connect PV, AC and comms.\u003c\/p\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eIndoors or outdoors?\u003c\/summary\u003e\u003cp\u003eEither. It is IP66 and rated −25 °C to +60 °C, with derating from +45 °C.\u003c\/p\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eHow many can I run together?\u003c\/summary\u003e\u003cp\u003eUp to three in parallel.\u003c\/p\u003e\u003c\/details\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"cr-section\"\u003e\n    \u003cdiv class=\"cr-eyebrow\"\u003eClearRay Solar\u003c\/div\u003e\n    \u003ch2\u003eDocuments, advice and trade pricing\u003c\/h2\u003e\n    \u003cdiv class=\"cr-seo\"\u003e\u003cp\u003eEvery datasheet, certificate, installation manual and warranty document we hold for this product is in the Documents tab below. See the rest of our \u003ca href=\"\/collections\/hybrid-inverters\"\u003ehybrid inverter range\u003c\/a\u003e, our \u003ca href=\"\/collections\/solar-battery\"\u003ebatteries\u003c\/a\u003e and our \u003ca href=\"\/collections\/panels\"\u003esolar panels\u003c\/a\u003e, or email \u003ca href=\"mailto:sales@clearraysolar.com\"\u003esales@clearraysolar.com\u003c\/a\u003e if you would like us to check a battery pairing or a string design before you order.\u003c\/p\u003e\u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n\/* ClearRay product description layout. Scoped entirely to .cr-pdp. *\/\n.cr-pdp { color: inherit; font-family: inherit; line-height: 1.6; max-width: 1200px; margin: 0 auto; }\n.cr-pdp *, .cr-pdp *::before, .cr-pdp *::after { box-sizing: border-box; }\n\n.cr-eyebrow { font-size: 11px; font-weight: 800; letter-spacing: 1.4px; color: #2d7ff9; margin-bottom: 7px; text-transform: uppercase; }\n\n.cr-hero { padding: 5px 0 20px; }\n.cr-hero h2 { font-size: clamp(25px, 3vw, 34px); line-height: 1.18; letter-spacing: -0.6px; margin: 0 0 12px; }\n.cr-hero .cr-sub { font-size: 16px; line-height: 1.5; font-weight: 600; max-width: 900px; margin: 0 0 10px; }\n.cr-hero p:not(.cr-sub) { max-width: 950px; margin: 0 0 10px; }\n\n.cr-specgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 20px 0 35px; }\n.cr-speccard { padding: 15px; border: 1px solid rgba(0,0,0,0.08); background: rgba(0,0,0,0.025); border-radius: 10px; transition: all 0.2s ease; }\n.cr-speccard:hover { transform: translateY(-2px); border-color: rgba(45,127,249,0.3); }\n.cr-speccard .cr-lbl { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; margin-bottom: 3px; }\n.cr-speccard strong { display: block; font-size: 18px; line-height: 1.2; margin-bottom: 3px; }\n.cr-speccard span { display: block; font-size: 11px; }\n\n.cr-section { margin: 38px 0; }\n.cr-section h2 { font-size: 23px; line-height: 1.25; letter-spacing: -0.3px; margin: 0 0 12px; }\n.cr-section h3 { line-height: 1.3; }\n.cr-section p { margin: 0 0 12px; }\n\n.cr-benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 11px; margin-top: 18px; }\n.cr-benefit { padding: 17px; border: 1px solid rgba(0,0,0,0.08); border-radius: 10px; background: rgba(0,0,0,0.02); border-left: 3px solid #2d7ff9; }\n.cr-benefit h3 { font-size: 14px; margin: 0 0 5px; }\n.cr-benefit p { font-size: 12px; margin: 0; }\n\n.cr-dark { padding: 28px; border-radius: 14px; background: #101828; color: #fff; }\n.cr-dark .cr-eyebrow { color: #67a9ff; }\n.cr-appgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 20px; }\n.cr-app { padding: 16px; border: 1px solid rgba(255,255,255,0.12); border-radius: 10px; background: rgba(255,255,255,0.045); }\n.cr-app strong { display: block; font-size: 13px; margin-bottom: 4px; }\n.cr-app span { display: block; font-size: 11px; }\n\n.cr-table { border: 1px solid rgba(0,0,0,0.08); border-radius: 10px; overflow: hidden; margin-top: 18px; }\n.cr-row { display: grid; grid-template-columns: 1fr 1fr; padding: 11px 16px; border-bottom: 1px solid rgba(0,0,0,0.06); font-size: 12px; gap: 15px; }\n.cr-row:last-child { border-bottom: 0; }\n.cr-row:nth-child(even) { background: rgba(0,0,0,0.018); }\n.cr-row strong { text-align: right; font-weight: 600; }\n.cr-subhead { font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.5px; background: rgba(0,0,0,0.035); display: block; padding: 9px 16px; border-bottom: 1px solid rgba(0,0,0,0.06); }\n\n.cr-note { font-size: 11px !important; opacity: 0.9 !important; margin-top: 10px !important; }\n\n.cr-highlight { padding: 22px; border-radius: 12px; border: 1px solid rgba(45,127,249,0.2); background: rgba(45,127,249,0.05); }\n.cr-highlight ul { margin: 10px 0 0; padding-left: 18px; }\n.cr-highlight li { font-size: 12.5px; margin-bottom: 7px; }\n\n.cr-warn { padding: 15px; margin-top: 15px; border-radius: 9px; background: rgba(255,180,0,0.07); border: 1px solid rgba(255,180,0,0.25); font-size: 12.5px; }\n\/* Supplier notices arrive as \u003cdiv class=\"warning\"\u003e and are preserved verbatim,\n   stray tags and all. They are styled where they stand rather than wrapped, so\n   nothing this page emits can be unbalanced by markup it does not control. *\/\n.cr-pdp .warning { padding: 14px 16px; margin: 0 0 10px; border-radius: 9px; background: rgba(255,180,0,0.07); border: 1px solid rgba(255,180,0,0.25); font-size: 12.5px; line-height: 1.55; }\n.cr-pdp .warning:last-child { margin-bottom: 0; }\n.cr-pdp .warning b, .cr-pdp .warning strong { font-weight: 700; }\n.cr-pdp .AlertText { padding: 14px 16px; margin: 0 0 10px; border-radius: 9px; background: rgba(45,127,249,0.06); border: 1px solid rgba(45,127,249,0.22); font-size: 12.5px; }\n.cr-pdp .AlertText h2 { font-size: 14px; margin: 0 0 6px; }\n.cr-pdp .prod_composite, .cr-pdp .bulkPackText, .cr-pdp .bulkPackTextItem { font-size: 13px; }\n.cr-pdp .warning, .cr-pdp .warning p, .cr-pdp .warning li, .cr-pdp .warning dd,\n.cr-pdp .AlertText, .cr-pdp .AlertText p, .cr-pdp .AlertText li,\n.cr-pdp .prod_composite, .cr-pdp .prod_composite p, .cr-pdp .prod_composite li,\n.cr-pdp .bulkPackText, .cr-pdp .bulkPackTextItem,\n.cr-warn, .cr-warn p, .cr-warn li { opacity: 1; }\n.cr-warn ul { margin: 8px 0 0; padding-left: 18px; }\n.cr-warn li { margin-bottom: 6px; }\n\n.cr-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 11px; margin-top: 18px; }\n.cr-link { padding: 15px; border-radius: 10px; border: 1px solid rgba(0,0,0,0.08); background: rgba(0,0,0,0.02); }\n.cr-link a { font-size: 13px; font-weight: 700; text-decoration: none; }\n.cr-link span { display: block; font-size: 11px; margin-top: 4px; }\n\n.cr-faq details { border-bottom: 1px solid rgba(0,0,0,0.08); padding: 14px 0; }\n.cr-faq summary { cursor: pointer; font-weight: 700; font-size: 14px; list-style: none; position: relative; padding-right: 25px; }\n.cr-faq summary::-webkit-details-marker { display: none; }\n.cr-faq summary::after { content: \"+\"; position: absolute; right: 0; top: -2px; font-size: 18px; font-weight: 400; opacity: 0.7; }\n.cr-faq details[open] summary::after { content: \"\\2212\"; }\n.cr-faq details p { padding-top: 8px; font-size: 12.5px; margin: 0; }\n\n.cr-seo p { max-width: 1000px; }\n\n@media (max-width: 1000px) {\n  .cr-specgrid { grid-template-columns: repeat(2, 1fr); }\n  .cr-benefits, .cr-appgrid, .cr-links { grid-template-columns: repeat(2, 1fr); }\n}\n@media (max-width: 650px) {\n  .cr-hero h2 { font-size: 25px; }\n  .cr-specgrid, .cr-benefits, .cr-appgrid, .cr-links { grid-template-columns: 1fr; }\n  .cr-dark { padding: 22px 16px; border-radius: 11px; }\n  .cr-row { grid-template-columns: 1fr; gap: 2px; }\n  .cr-row strong { text-align: left; }\n  .cr-highlight { padding: 19px 16px; }\n}\n\u003c\/style\u003e\n","brand":"Fox ESS","offers":[{"title":"Default Title","offer_id":58470382174540,"sku":"FE-PQ1-8.0","price":1006.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1048\/7742\/4972\/files\/FE-PQ1-8.0.jpg?v=1787151427","url":"https:\/\/clearraysolar.com\/products\/fe-pq1-8-0","provider":"ClearRay Solar","version":"1.0","type":"link"}