{"product_id":"foxess-eq4000-battery-72a-battery-cell-eq4000-aio-97-221-00001-00","title":"FoxESS EQ4000 Battery+72A battery cell - EQ4000 (AIO) ( 97-221-00001-00 )","description":"\u003ch2\u003eFoxESS EQ4000 battery — 3.97 kWh AIO high-voltage LFP module\u003c\/h2\u003e\n\u003cp data-start=\"323\" data-end=\"830\"\u003eThe \u003cstrong data-start=\"327\" data-end=\"374\"\u003eFoxESS EQ4000 Battery with 72A battery cell\u003c\/strong\u003e is a next-generation energy storage solution designed to deliver reliable, scalable, and efficient power for modern energy needs. Built with advanced lithium battery technology, this system suits residential, commercial, and light industrial energy storage. Engineered for longevity, safety, and seamless integration, the EQ4000 series is a dependable choice for users seeking steady performance and energy independence.\u003c\/p\u003e\n\u003cp data-start=\"832\" data-end=\"1080\"\u003eThis powerful solution is also available as \u003ca href=\"https:\/\/www.portlandiaelectric.supply\/products\/foxess-eq4000-battery-72a-battery-cell-eq4000-aio-97-221-00001-00\" target=\"_self\" title=\"\"\u003eFoxESS EQ4000 Battery+72A battery cell - EQ4000 (AIO) ( 97-221-00001-00)\u003c\/a\u003e, providing an all-in-one configuration that simplifies installation and system management while maintaining high efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFoxESS EQ4000 battery\u003c\/strong\u003e is a high-voltage, stackable LFP module designed for PowerQ All-in-One (AIO) systems. Each module delivers 3.97 kWh; you can stack \u003cstrong\u003e2–5 modules\u003c\/strong\u003e with AIO inverters (3.8–11.4 kW)—enabling clean, fast, plug-and-play installations.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFoxESS EQ4000 battery\u003c\/strong\u003e offers 90% DoD, \u0026gt;95% round-trip efficiency, CAN BMS communications, and an IP65 enclosure—perfect for indoor or outdoor floor-mount setups. The Quick Guide shows per module thickness ~5.4″ for compact stacks.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCapacity: \u003cstrong\u003e3.97 kWh\u003c\/strong\u003e per module (LFP prismatic cells)\u003c\/li\u003e\n\u003cli\u003eStacking (AIO): \u003cstrong\u003e2–5 modules\u003c\/strong\u003e ⇒ 7.95 \/ 11.92 \/ 15.90 \/ \u003cstrong\u003e19.87 kWh\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eElectrical: 50 A charge\/discharge continuous, 65 A peak (60s); \u0026gt;95% efficiency\u003c\/li\u003e\n\u003cli\u003eEnvironment: IP65; operating −10 to 55 °C; storage −20 to 55 °C; ≤2000 m altitude\u003c\/li\u003e\n\u003cli\u003eCompliance: UL1973, UL9540, UL9540A; UN38.3 transport\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ccaption\u003e\n\u003cstrong\u003eFoxESS EQ4000 battery\u003c\/strong\u003e — specification box (AIO application)\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eModule\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal energy\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e3.97 kWh\u003c\/strong\u003e (LiFePO₄)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (W × D × H)\u003c\/th\u003e\n\u003ctd\u003e≈ \u003cstrong\u003e22.4″ × 15.0″ × 5.4″\u003c\/strong\u003e (per module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e≈ \u003cstrong\u003e87 lb\u003c\/strong\u003e (dealer listing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIngress\u003c\/th\u003e\n\u003ctd\u003eIP65 · natural convection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eAIO stack configurations\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e2 modules\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e7.95 kWh\u003c\/strong\u003e · 115.2 V nominal (97.2–131.4 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e3 modules\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e11.92 kWh\u003c\/strong\u003e · 172.8 V (145.8–197.1 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e4 modules\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e15.90 kWh\u003c\/strong\u003e · 230.4 V (194.4–262.8 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e5 modules\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e19.87 kWh\u003c\/strong\u003e · 288 V (243–328.5 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eElectrical limits\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDepth of discharge\u003c\/th\u003e\n\u003ctd\u003e90% (typ.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCharge \/ discharge current\u003c\/th\u003e\n\u003ctd\u003e50 A continuous · 65 A (60 s) peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRound-trip efficiency\u003c\/th\u003e\n\u003ctd\u003e\u0026gt;95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eEnvironmental \u0026amp; compliance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating \/ storage\u003c\/th\u003e\n\u003ctd\u003e−10 to 55 °C \/ −20 to 55 °C · 0–100% RH (non-condensing) · ≤2000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eUL1973 · UL9540 · UL9540A · UN38.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eStandard 12.5 years (see Fox ESS battery warranty T\u0026amp;Cs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor PowerQ AIO builds, the \u003cstrong\u003eFoxESS EQ4000 battery\u003c\/strong\u003e is a compact, scalable block—providing seamless expansion and fast commissioning with 2–5 module stacks for 7.95–19.87 kWh.\u003c\/p\u003e\n\u003ch2 data-start=\"1087\" data-end=\"1149\"\u003eWhy Choose the FoxESS EQ4000 Battery with 72A Battery Cell?\u003c\/h2\u003e\n\u003cp data-start=\"1151\" data-end=\"1503\"\u003eThe \u003cstrong data-start=\"1155\" data-end=\"1202\"\u003eFoxESS EQ4000 Battery with 72A battery cell\u003c\/strong\u003e stores energy efficiently and supports rapid discharge and charge rates. Its 72A cell enables fast energy transfer for stable power at peak demand. This battery fits backup power, solar storage, and grid-independent systems perfectly.\u003c\/p\u003e\n\u003cp data-start=\"1505\" data-end=\"1745\"\u003eWith compact, modular design, the system expands easily to meet dynamic energy needs. Users gain enhanced energy use, less dependency on the grid, and better long-term performance.\u003c\/p\u003e\n\u003ch2 data-start=\"1752\" data-end=\"1802\"\u003eAdvanced Technology and Smart Energy Management\u003c\/h2\u003e\n\u003cp data-start=\"1804\" data-end=\"2159\"\u003eIntelligent battery management technology is at the core. It monitors voltage, temperature, and current for safe and steady operations. The advanced \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Battery_management_system\" target=\"_blank\" title=\"\" rel=\"noopener\"\u003ebattery management system\u003c\/a\u003e protects against overcharging, deep discharge, overheating, and shorts.\u003c\/p\u003e\n\u003cp data-start=\"2161\" data-end=\"2454\"\u003eThe \u003cstrong data-start=\"2165\" data-end=\"2241\"\u003eFoxESS EQ4000 Battery+72A battery cell - EQ4000 (AIO) ( 97-221-00001-00)\u003c\/strong\u003e integrates key components in one unit. This reduces complexity, increases reliability, and minimizes system losses for optimal energy flow.\u003c\/p\u003e\n\u003ch2 data-start=\"2461\" data-end=\"2499\"\u003eHigh Efficiency and Long Cycle Life\u003c\/h2\u003e\n\u003cp data-start=\"2501\" data-end=\"2880\"\u003eEfficiency and durability define this battery. Designed for frequent charge-discharge cycles, it delivers consistent performance through thousands of cycles. Lithium chemistry provides higher energy density, lower self-discharge, and better thermal stability versus traditional batteries.\u003c\/p\u003e\n\u003cp data-start=\"2882\" data-end=\"3103\"\u003eIts long cycle life suits daily energy use—especially in solar and hybrid systems where reliability is critical. Expect stable output with minimal degradation over long periods.\u003c\/p\u003e\n\u003ch2 data-start=\"3110\" data-end=\"3154\"\u003eFlexible Installation and Scalable Design\u003c\/h2\u003e\n\u003cp data-start=\"3156\" data-end=\"3517\"\u003eModular design enables flexible installations, whether wall- or floor-mounted. The system fits varied environments without taking much space. Its scalable nature lets users add battery modules as energy needs grow.\u003c\/p\u003e\n\u003cp data-start=\"3519\" data-end=\"3732\"\u003eThe all-in-one setup simplifies wiring and configuration, making the \u003cstrong data-start=\"3588\" data-end=\"3664\"\u003eFoxESS EQ4000 Battery+72A battery cell - EQ4000 (AIO) ( 97-221-00001-00)\u003c\/strong\u003e ideal for both new builds and upgrades.\u003c\/p\u003e\n\u003ch2 data-start=\"3739\" data-end=\"3790\"\u003eIdeal Applications for the FoxESS EQ4000 Battery\u003c\/h2\u003e\n\u003cp data-start=\"3792\" data-end=\"3900\"\u003eThe \u003cstrong data-start=\"3796\" data-end=\"3843\"\u003eFoxESS EQ4000 Battery with 72A battery cell\u003c\/strong\u003e powers many uses, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"3904\" data-end=\"3946\"\u003eResidential solar energy storage systems\u003c\/li\u003e\n\u003cli data-start=\"3949\" data-end=\"3984\"\u003eCommercial backup power solutions\u003c\/li\u003e\n\u003cli data-start=\"3987\" data-end=\"4028\"\u003eHybrid solar and grid-connected systems\u003c\/li\u003e\n\u003cli data-start=\"4031\" data-end=\"4077\"\u003eEnergy optimization and peak-load management\u003c\/li\u003e\n\u003cli data-start=\"4080\" data-end=\"4114\"\u003eOff-grid and remote power setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4116\" data-end=\"4265\"\u003eStrong discharge capability ensures power continuity during outages. Smart energy management maximizes savings and overall system efficiency.\u003c\/p\u003e\n\u003ch2 data-start=\"4272\" data-end=\"4325\"\u003eSafety, Reliability, and Performance You Can Trust\u003c\/h2\u003e\n\u003cp data-start=\"4327\" data-end=\"4588\"\u003eSafety remains a priority in energy storage. The \u003cstrong data-start=\"4382\" data-end=\"4429\"\u003eFoxESS EQ4000 Battery with 72A battery cell\u003c\/strong\u003e features multiple protection layers. The integrated BMS, sturdy casing, and thermal controls ensure safe operation under various conditions.\u003c\/p\u003e\n\u003cp data-start=\"4590\" data-end=\"4862\"\u003eWith reliable performance, smart controls, and scalable design, this battery system offers a robust solution for modern energy needs. The EQ4000 series combines innovation, safety, and efficiency into one high-performance unit.\u003c\/p\u003e","brand":"FoxESS","offers":[{"title":"Default Title","offer_id":42500723933318,"sku":"PES-ESS-BTS-0248","price":2009.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/5188\/6982\/files\/eq4000-320x320.jpg?v=1760382013","url":"https:\/\/www.portlandiaelectric.supply\/products\/foxess-eq4000-battery-72a-battery-cell-eq4000-aio-97-221-00001-00","provider":"Portlandia Electric Supply","version":"1.0","type":"link"}