{"product_id":"fox-eq4000-high-voltage-solar-power-battery-ess-4kwh","title":"Fox ESS EQ4000 – 4kWh High Voltage Lithium Battery | For Fox AIO (All-in-One) System | Residential \u0026 Commercial Solar Applications","description":"\u003cp data-end=\"777\" data-start=\"378\"\u003e\u003cstrong\u003eDownloads:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0510\/6148\/9855\/files\/BAFXEQ4000_-_datasheet.pdf?v=1763470174\" title=\"Datasheet\"\u003eDatasheet\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0510\/6148\/9855\/files\/BAFXEQ4000_-_Compliance.pdf?v=1763470174\" title=\"UL1973 Certificate\"\u003eUL1973 Certification\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0510\/6148\/9855\/files\/BAFXEQ4000_-_Certificate_2.pdf?v=1763470173\" title=\"UL9540 Certification\"\u003eUL9540 Certification\u003c\/a\u003e\u003cbr\u003e\u003ca title=\"Quick Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0510\/6148\/9855\/files\/Quick-Guide-V1.0c.pdf?v=1764179106\"\u003eQuick Guide\u003c\/a\u003e\u003cbr\u003e\u003ca class=\"mkdf-btn mkdf-btn-medium mkdf-btn-simple mkdf-btn-icon\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0510\/6148\/9855\/files\/EN-AIO-US-User-Manual-v1.1c.pdf?v=1765826395\" itemprop=\"url\" target=\"_self\"\u003e\u003cspan class=\"mkdf-btn-text\"\u003ePowerQ USER MANUAL\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"9fe62d54-139d-43a7-8d52-88b396dc5589\" data-testid=\"conversation-turn-2\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"7113b0b7-34fe-440b-bf58-5e1fd0403aae\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003cp data-start=\"358\" data-end=\"858\"\u003eBuild an advanced solar power solution with the Fox EQ4000 modular solar power battery, a premium high-voltage lithium energy storage module engineered for \u003cstrong\u003efull compatibility with\u003c\/strong\u003e \u003cstrong data-start=\"518\" data-end=\"602\"\u003eall Fox ESS AIO (All-in-One) inverter platforms — Flex, Hub, and Non-Hub systems\u003c\/strong\u003e. Designed with advanced LFP (Lithium Iron Phosphate) technology and a scalable modular architecture, the Fox EQ4000 4kWh battery delivers exceptional performance, safety, and long-term reliability across residential, commercial, and off-grid applications.\u003c\/p\u003e\n\u003cp data-start=\"860\" data-end=\"1145\"\u003eWhether you are powering a home, upgrading an RV solar system, building a remote cabin, or adding backup capacity to a marine or off-grid installation, the Fox EQ4000 solar battery integrates seamlessly with any Fox AIO configuration, providing dependable, future-proof energy storage.\u003c\/p\u003e\n\u003ch3 data-start=\"1147\" data-end=\"1167\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"1169\" data-end=\"1582\"\u003eThe Fox EQ4000 lithium battery is part of the high-performance Fox AIO PowerQ ecosystem, supporting \u003cstrong data-start=\"1283\" data-end=\"1364\"\u003eplug-and-play integration with Flex, Hub-based, and Non-Hub Fox AIO inverters\u003c\/strong\u003e. The EQ4000 operates as a true hybrid module, allowing seamless stacking and expansion across all AIO systems for maximum flexibility and long-term scalability.\u003c\/p\u003e\n\u003cp data-start=\"1584\" data-end=\"2019\"\u003eEach EQ4000 module delivers \u003cstrong data-start=\"1612\" data-end=\"1641\"\u003e3.97 kWh of usable energy\u003c\/strong\u003e and supports expandable configurations up to \u003cstrong data-start=\"1687\" data-end=\"1700\"\u003e27.80 kWh\u003c\/strong\u003e, making it ideal for both small residential systems and larger backup or off-grid installations. With \u003cstrong data-start=\"1803\" data-end=\"1835\"\u003e90% depth of discharge (DoD)\u003c\/strong\u003e, \u003cstrong data-start=\"1837\" data-end=\"1867\"\u003e\u0026gt;95% round-trip efficiency\u003c\/strong\u003e, and a wide operating temperature range, the Fox EQ4000 ensures reliable, high-performance energy storage in diverse climates and operating conditions.\u003c\/p\u003e\n\u003cp data-start=\"2021\" data-end=\"2192\"\u003eWhen paired with any Fox AIO inverter (Flex, Hub, or Non-Hub), the EQ4000 supports intelligent energy management, fast installation, and safe indoor or outdoor deployment.\u003c\/p\u003e\n\u003ch3 data-start=\"2194\" data-end=\"2210\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"2212\" data-end=\"2786\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-start=\"2212\" data-end=\"2305\"\u003e\n\u003cp data-start=\"2214\" data-end=\"2305\"\u003e4kWh high-voltage LFP battery module for \u003cstrong data-start=\"2255\" data-end=\"2305\"\u003eall Fox AIO inverters (Flex, Hub, and Non-Hub)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2306\" data-end=\"2358\"\u003e\n\u003cp data-start=\"2308\" data-end=\"2358\"\u003eScalable architecture – expand up to \u003cstrong data-start=\"2345\" data-end=\"2358\"\u003e27.80 kWh\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2359\" data-end=\"2439\"\u003e\n\u003cp data-start=\"2361\" data-end=\"2439\"\u003eAdvanced lithium iron phosphate (LFP) chemistry for safety and long cycle life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2440\" data-end=\"2503\"\u003e\n\u003cp data-start=\"2442\" data-end=\"2503\"\u003e\u003cstrong data-start=\"2442\" data-end=\"2468\"\u003e90% Depth of Discharge\u003c\/strong\u003e and \u003cstrong data-start=\"2473\" data-end=\"2503\"\u003e\u0026gt;95% round-trip efficiency\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2504\" data-end=\"2561\"\u003e\n\u003cp data-start=\"2506\" data-end=\"2561\"\u003eWide operating temperature range for harsh environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2562\" data-end=\"2615\"\u003e\n\u003cp data-start=\"2564\" data-end=\"2615\"\u003eCAN communication for seamless inverter integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2616\" data-end=\"2678\"\u003e\n\u003cp data-start=\"2618\" data-end=\"2678\"\u003e\u003cstrong data-start=\"2618\" data-end=\"2642\"\u003eIP65-rated enclosure\u003c\/strong\u003e for indoor and outdoor installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2679\" data-end=\"2714\"\u003e\n\u003cp data-start=\"2681\" data-end=\"2714\"\u003eTrue plug-and-play modular design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2715\" data-end=\"2786\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"2717\" data-end=\"2786\" data-is-last-node=\"\"\u003eCertified to \u003cstrong data-start=\"2730\" data-end=\"2769\"\u003eUL1973, UL9540, UL9540A, and UN38.3\u003c\/strong\u003e safety standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"thread-bottom-container\" class=\"sticky bottom-0 group\/thread-bottom-container relative isolate z-10 w-full basis-auto has-data-has-thread-error:pt-2 has-data-has-thread-error:[box-shadow:var(--sharp-edge-bottom-shadow)] md:border-transparent md:pt-0 dark:border-white\/20 md:dark:border-transparent print:hidden content-fade single-line flex flex-col\"\u003e\n\u003cdiv id=\"thread-bottom\"\u003e\n\u003cdiv class=\"text-base mx-auto [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Solar Power Store Canada","offers":[{"title":"Default Title","offer_id":46338356281559,"sku":"BAFXEQ4000","price":1697.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0510\/6148\/9855\/files\/1_9b1daf08-13d1-41cb-b240-55dbc99fdde2.png?v=1764773564","url":"https:\/\/solarpowerstore.ca\/en-us\/products\/fox-eq4000-high-voltage-solar-power-battery-ess-4kwh","provider":"Solar Power Store Canada","version":"1.0","type":"link"}