{"product_id":"enphase-iq-battery-10c-5kwh-expansion-unit-domestic-b05-c01-us00-1-3-11-9-dom","title":"Enphase IQ Battery 10C 5kWh Expansion Unit (Domestic) B05-C01-US00-1-3-11.9-DOM","description":"\u003ch2\u003e\u003cstrong\u003eEnphase IQ Battery 10C 5kWh Expansion Unit (Domestic) B05-C01-US00-1-3-11.9-DOM \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Enphase B05-C01-US00-1-3-11.9-DOM is a 5 kWh lithium iron phosphate (LFP) battery expansion unit designed for use within the Enphase IQ Battery 10C system. This modular battery enables scalable energy storage, allowing installers to configure systems based on energy needs while maintaining high efficiency, safety, and reliability.\u003c\/p\u003e\n\u003cp\u003eThis unit includes one 5 kWh battery module and a mounting bracket, providing a compact and flexible solution for expanding existing energy storage systems. It is designed for seamless integration with Enphase microinverter-based systems and supports backup, self-consumption, and grid-interactive applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDomestic Content:\u003c\/strong\u003e 56.8% domestic content contribution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance Notice:\u003c\/strong\u003e While this item includes 56.8% domestic content contribution, it does NOT meet FEOC compliance for TPO financing originations after Nov. 10th, 2025 for installations beginning Jan 1, 2026.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e ONE 5 kWh battery unit with one mounting bracket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Included:\u003c\/strong\u003e ID cover must be ordered separately (SKU: EN-B10C-NC-0708-O)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Requirement:\u003c\/strong\u003e Each IQBATTERY-10C-1P-NA system MUST include:\n\u003cul\u003e\n\u003cli\u003e(2) B05-C01-US00-1-3-11.9-DOM\u003c\/li\u003e\n\u003cli\u003e(1) EN-B10C-NC-0708-O\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement:\u003c\/strong\u003e Direct replacement for EN-B05-C01-US00-1-3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technology\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLFP Battery Chemistry\u003c\/strong\u003e\u003cbr\u003eUses lithium iron phosphate chemistry for enhanced safety, long lifespan, and thermal stability. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModular Expansion Design\u003c\/strong\u003e\u003cbr\u003eEnables flexible system sizing by combining multiple battery units to reach desired capacity. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Microinverter Compatibility\u003c\/strong\u003e\u003cbr\u003eDesigned to work seamlessly with Enphase IQ microinverter systems for AC-coupled storage solutions. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Efficiency Performance\u003c\/strong\u003e\u003cbr\u003eSupports high round-trip efficiency and reliable energy delivery for daily use and backup scenarios. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePassive Cooling System\u003c\/strong\u003e\u003cbr\u003eNo moving parts or fans, improving reliability and reducing maintenance requirements. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eBest Uses\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHome Energy Storage Systems\u003c\/strong\u003e\u003cbr\u003eProvides scalable battery capacity for residential solar systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackup Power Applications\u003c\/strong\u003e\u003cbr\u003eSupports essential load backup when integrated into a full IQ Battery system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnergy Optimization\u003c\/strong\u003e\u003cbr\u003eEnables self-consumption, time-of-use optimization, and grid interaction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Warranty:\u003c\/strong\u003e Up to 15 years or 6,000 cycles (60% capacity retention)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eEnphase Energy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eB05-C01-US00-1-3-11.9-DOM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBattery Expansion Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsable Capacity\u003c\/td\u003e\n\u003ctd\u003e5.0 kWh (per unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eIQ Battery 10C System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemistry\u003c\/td\u003e\n\u003ctd\u003eLithium Iron Phosphate (LFP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e76.8 V (system reference)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Voltage\u003c\/td\u003e\n\u003ctd\u003e86.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature (Charge)\u003c\/td\u003e\n\u003ctd\u003e-20°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature (Discharge)\u003c\/td\u003e\n\u003ctd\u003e-20°C to 55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eWall mount (bracket included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (System Reference)\u003c\/td\u003e\n\u003ctd\u003e24.5 × 28 × 14.4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003ePassive (natural convection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eNEMA 3R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAbout Enphase Energy:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEnphase Energy is a global leader in solar microinverter and energy storage technology. Known for innovation and reliability, Enphase systems deliver intelligent energy management, high safety standards, and seamless integration across solar and storage applications. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eFlexible Energy Storage Expansion for Enphase Systems\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Enphase B05-C01-US00-1-3-11.9-DOM battery module provides a scalable, efficient, and safe solution for expanding IQ Battery 10C systems, enabling reliable energy storage and backup performance. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Buy From US Solar Supplier\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUS Solar Supplier is an American-founded company based in Kentucky dedicated to offering top-quality solar components from trusted manufacturers. We provide competitive pricing, dependable inventory, and products backed by warranties you can trust.\u003c\/p\u003e\n\u003cp\u003eOur inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eNeed Assistance?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHave questions before you order? Call \u003cstrong\u003e1-800-230-7004\u003c\/strong\u003e to speak with our knowledgeable support team. We’re here to help with product details, compatibility questions, or purchasing support.\u003c\/p\u003e","brand":"Enphase","offers":[{"title":"Default Title","offer_id":51304041251114,"sku":"USSSP202-837","price":2714.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/3408\/1340\/files\/B05-C01-US00-1-3-11.9-DOM_USSS.avif?v=1774635097","url":"https:\/\/ussolarsupplier.com\/products\/enphase-iq-battery-10c-5kwh-expansion-unit-domestic-b05-c01-us00-1-3-11-9-dom","provider":"US Solar Supplier","version":"1.0","type":"link"}