{"product_id":"endurenergy-esp-ibu20-20-48kwh-4x-esp-5100-inverter-case","title":"EndurEnergy 20.48 kWh - 4 * ESP-5100 Battery Packs \u0026 Inverter Case ESP-IBU20","description":"\u003ch2\u003eEndurEnergy ESP-IBU20 — 20.48 kWh (4× ESP-5100) Integrated Battery + Inverter Enclosure\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s included:\u003c\/strong\u003e Inverter-ready outdoor enclosure with integrated BMS and \u003cstrong\u003e4× ESP-5100\u003c\/strong\u003e LFP battery packs (51.2 V nominal). \u003cem\u003eShips as an \u003ca href=\"https:\/\/www.portlandiaelectric.supply\/collections\/inverters\" target=\"_blank\" title=\"\" rel=\"noopener\"\u003einverter\u003c\/a\u003e case\/enclosure; compatible with Sol-Ark 5K\/8K\/12K (EMP variants). When bundled with a Sol-Ark 12K, system AC output is up to 12 kW.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eWhy ESP-IBU20\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e20.48 kWh usable class\u003c\/strong\u003e from four 5.12 kWh ESP-5100 LFP modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNEMA 3R\u003c\/strong\u003e outdoor-rated steel cabinet; compact 83.7″ × 28.4″ × 14.1″ footprint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSol-Ark-ready\u003c\/strong\u003e inverter bay (5K\/8K\/12K; EMP versions supported).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-year warranty\u003c\/strong\u003e and UL 9540\/UL 1973 listings (ESP-5100).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Specs\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eEnergy\u003c\/th\u003e\n\u003ctd\u003e20.48 kWh (4 × 5.12 kWh ESP-5100)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChemistry\u003c\/th\u003e\n\u003ctd\u003eLithium Iron Phosphate (LFP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal \/ Working Voltage\u003c\/th\u003e\n\u003ctd\u003e51.2 V \/ 48–56 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery Capacity\u003c\/th\u003e\n\u003ctd\u003e400 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRound-trip Efficiency\u003c\/th\u003e\n\u003ctd\u003e97%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended DoD\u003c\/th\u003e\n\u003ctd\u003e90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCycle Life\u003c\/th\u003e\n\u003ctd\u003e≈ 6,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure (H × W × D)\u003c\/th\u003e\n\u003ctd\u003e83.7″ × 28.4″ × 14.1″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eEnclosure 253.53 lb; \u003cem\u003eAssembly with SA-12K + 4× ESP-5100:\u003c\/em\u003e 701.95 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eNEMA 3R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompliance\u003c\/th\u003e\n\u003ctd\u003eUL 9540, UL 1973 (ESP-5100)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInverter Compatibility\u003c\/th\u003e\n\u003ctd\u003eSol-Ark 5K \/ 8K \/ 12K (incl. EMP models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDocuments \u0026amp; Product Pages\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/s3.amazonaws.com\/ecodirect_docs\/Endure-Energy\/EndureEnergy-ESP-IBU20-Bundle-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003eESP-IBU20 Bundle Datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/endurenergy.com\/esp-5100-2\/\" target=\"_blank\" rel=\"noopener\"\u003eESP-5100 Battery Pack — specs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/endurenergy.com\/esp-bu20-20\/\" target=\"_blank\" rel=\"noopener\"\u003eESP-BU20 product page (enclosure family)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e Some distributor listings show the inverter case with batteries but \u003cstrong\u003ewithout\u003c\/strong\u003e the inverter; verify bundle contents at purchase.\u003c\/p\u003e","brand":"EndurEnergy","offers":[{"title":"Default Title","offer_id":42990134689926,"sku":"PES-ESS-BTS-0352","price":11208.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/5188\/6982\/files\/rsw_2560h_1925-1-1024x770.webp?v=1765721938","url":"https:\/\/www.portlandiaelectric.supply\/products\/endurenergy-esp-ibu20-20-48kwh-4x-esp-5100-inverter-case","provider":"Portlandia Electric Supply","version":"1.0","type":"link"}