{"product_id":"eg4-314ah-indoor-flexboss18-ess","title":"EG4 314Ah Indoor Battery + FlexBOSS18 | 16kWh ESS","description":"\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-updated-hr-color\" id=\"model-response-message-contentr_a5be741b427d5661\" aria-live=\"polite\" aria-busy=\"false\" dir=\"ltr\"\u003e\n\u003cp data-path-to-node=\"7\"\u003eThe EG4 WallMount Indoor Battery ESS, paired with the FlexBOSS18 inverter, is a high-capacity indoor energy storage system designed for residential backup, solar storage, and hybrid power setups. It combines a 48V lithium battery with a hybrid inverter to deliver dependable and consistent energy for whole-home use. With approximately 16kWh of storage and a 314Ah capacity, the system supports daily energy demands and critical backup during outages. Its compact, wall-mounted design is optimized for efficient indoor installation while maintaining a space-saving profile. Built using LiFePO4 technology, this system is a leader in quality and reliability for both on-grid and off-grid solar installations.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eMassive Energy Storage:\u003c\/b\u003e 16.0 kWh capacity with a 314Ah rating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eReliable Chemistry:\u003c\/b\u003e 51.2V LiFePO4 battery chemistry ensures long-term safety and thermal stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eHigh Power Output:\u003c\/b\u003e 200A continuous output with a peak power reach of approximately 12.8kW.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eIndoor Optimized:\u003c\/b\u003e IP20-rated enclosure suitable for wall-mounted or floor-mounted indoor setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,4,0\"\u003e\u003cb data-path-to-node=\"9,4,0\" data-index-in-node=\"0\"\u003eAdvanced Management:\u003c\/b\u003e Features a third-generation BMS with enhanced circuit protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,5,0\"\u003e\u003cb data-path-to-node=\"9,5,0\" data-index-in-node=\"0\"\u003eClimate Control:\u003c\/b\u003e Integrated self-heating function ensures stable operation in colder environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,6,0\"\u003e\u003cb data-path-to-node=\"9,6,0\" data-index-in-node=\"0\"\u003eSimplified Setup:\u003c\/b\u003e Auto-identification feature allows for easy configuration and parallel expansion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,7,0\"\u003e\u003cb data-path-to-node=\"9,7,0\" data-index-in-node=\"0\"\u003eFlexible Integration:\u003c\/b\u003e Fully compatible with FlexBOSS18 and FlexBOSS21 hybrid inverters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,8,0\"\u003e\u003cb data-path-to-node=\"9,8,0\" data-index-in-node=\"0\"\u003eVersatile Application:\u003c\/b\u003e Designed for comprehensive grid-tied, hybrid, and backup applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,9,0\"\u003e\u003cb data-path-to-node=\"9,9,0\" data-index-in-node=\"0\"\u003eScalable Architecture:\u003c\/b\u003e Modular design allows multiple batteries to be added as energy needs increase.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003ePerformance and Efficiency\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eExtreme Longevity:\u003c\/b\u003e The system supports up to 10,000 cycles at 80% depth of discharge for over a decade of use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eStable Energy Delivery:\u003c\/b\u003e Engineered to provide consistent and efficient power across a wide range of energy demands.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eSmart Communication:\u003c\/b\u003e Utilizes CAN and RS485 protocols for seamless integration with leading inverter systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"2184\" data-end=\"2491\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0905\/1868\/3895\/files\/Product-Infographics-2-1300x533.png?v=1775063809\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0905\/1868\/3895\/files\/EG4-314Ah-1300x533.png?v=1775063804\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eBattery Downloads\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/eg4electronics.com\/wp-content\/uploads\/2025\/10\/EG4-WallMount-314Ah-Indoor-Battery-Spec-Sheet.pdf\"\u003e\u003cspan\u003eSpec Sheet:\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/eg4electronics.com\/wp-content\/uploads\/2025\/04\/EG4-WallMount-Indoor-314Ah-Battery-User-Manual.pdf\"\u003e\u003cspan\u003eUser Manual:\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/eg4electronics.com\/wp-content\/uploads\/2025\/10\/EG4-WallMount-314Ah-Indoor-Battery-Quick-Start-Guide.pdf\"\u003e\u003cspan\u003eQuick Start Guide:\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/01\/EG4-WallMount-314Ah-Indoor-Battery-1973-Certificate-of-Compliance.pdf\"\u003e\u003cspan\u003eCertification of Compliance:\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/01\/EG4-WallMount-314Ah-Indoor-Battery-UL-9540A-Test-Verification-of-Conformity.pdf\"\u003e\u003cspan\u003eCertification of Conformity:\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInverter Downloads\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/eg4electronics.com\/wp-content\/uploads\/2024\/12\/EG4-FlexBOSS18-Hybrid-Inverter-Spec-Sheet.pdf\"\u003e\u003cspan\u003eSpec Sheet:\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/eg4electronics.com\/wp-content\/uploads\/2024\/12\/EG4-FlexBOSS18-Hybrid-Inverter-User-Manual.pdf\"\u003e\u003cspan\u003eUser Manual:\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/eg4electronics.com\/wp-content\/uploads\/2025\/03\/EG4-FlexBOSS18-UL-1741-Certificate-of-Compliance.pdf\"\u003e\u003cspan\u003eUL1741 Certificate:\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/eg4electronics.com\/wp-content\/uploads\/2025\/08\/EG4-FlexBOSS21-FlexBOSS18-UL-3141-CRD-PCS-Verification-of-Conformity.pdf\"\u003e\u003cspan\u003eUL3141 Certificate:\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EG4","offers":[{"title":"1x EG4 FlexBOSS18 + 1x 314Ah Indoor","offer_id":50654084890871,"sku":"K0216","price":7045.0,"currency_code":"USD","in_stock":true},{"title":"1x EG4 FlexBOSS18 + 2x 314Ah Indoor","offer_id":50654084923639,"sku":"K0217","price":11060.0,"currency_code":"USD","in_stock":true},{"title":"1x EG4 FlexBOSS18 + 3x 314Ah Indoor","offer_id":50654084956407,"sku":"K0218","price":15075.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/1868\/3895\/files\/1EG4314AhIndoor_FlexBOSS18_ESS.png?v=1775060775","url":"https:\/\/northgridsupply.com\/products\/eg4-314ah-indoor-flexboss18-ess","provider":"Northgrid Supply","version":"1.0","type":"link"}