{"product_id":"tigo-ei-11-4kw-energy-storage-hybrid-inverter-tsi-11-4k-us-ethernet-wifi","title":"Tigo EI 11.4kW Energy Storage Hybrid Inverter | TSI-11.4K-US Ethernet\/WiFi","description":"\u003ch1 class=\"product-name-link classyunicodedone\"\u003eTigo Energy TSI-11.4K-US EI Hybrid Solar Inverter - WiFi\/Ethernet\u003c\/h1\u003e\n\u003ch3 data-start=\"344\" data-end=\"368\"\u003e\u003cstrong data-start=\"348\" data-end=\"368\"\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"369\" data-end=\"729\"\u003eThe \u003cstrong data-start=\"373\" data-end=\"420\"\u003eTigo Energy TSI-11.4K-US EI Hybrid Inverter\u003c\/strong\u003e is the intelligent core of the Tigo Energy Intelligence (EI) ecosystem. Designed for modern residential and light commercial solar installations, this \u003cstrong data-start=\"572\" data-end=\"611\"\u003e11.4kW single-phase hybrid inverter\u003c\/strong\u003e seamlessly manages solar production, energy consumption, and battery storage when paired with \u003cstrong data-start=\"706\" data-end=\"728\"\u003eTigo TSB batteries\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"731\" data-end=\"1037\"\u003eWith \u003cstrong data-start=\"736\" data-end=\"783\"\u003eindustry-leading DC oversizing (up to 200%)\u003c\/strong\u003e, integrated revenue-grade metering, and native compatibility with \u003cstrong data-start=\"850\" data-end=\"867\"\u003eTigo TS4 MLPE\u003c\/strong\u003e, the TSI-11.4K-US delivers exceptional flexibility, safety, and performance—all in a lightweight, \u003cstrong data-start=\"966\" data-end=\"984\"\u003eNEMA 4X (IP65)\u003c\/strong\u003e enclosure built for indoor or outdoor installations.\u003c\/p\u003e\n\u003chr data-start=\"1039\" data-end=\"1042\"\u003e\n\u003ch2 data-start=\"1044\" data-end=\"1074\"\u003e\u003cstrong data-start=\"1047\" data-end=\"1074\"\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"1077\" data-end=\"1156\"\u003e\n\u003cstrong data-start=\"1077\" data-end=\"1109\"\u003e11.4kW Hybrid Solar Inverter\u003c\/strong\u003e – Storage-ready for future battery expansion\u003c\/li\u003e\n\u003cli data-start=\"1159\" data-end=\"1243\"\u003e\n\u003cstrong data-start=\"1159\" data-end=\"1187\"\u003eUp to 200% DC Oversizing\u003c\/strong\u003e – Maximize array design flexibility (2:1 DC\/AC ratio)\u003c\/li\u003e\n\u003cli data-start=\"1246\" data-end=\"1327\"\u003e\n\u003cstrong data-start=\"1246\" data-end=\"1270\"\u003eMultiple MPPTs (3–4)\u003c\/strong\u003e – Optimized energy harvest across complex roof layouts\u003c\/li\u003e\n\u003cli data-start=\"1330\" data-end=\"1398\"\u003e\n\u003cstrong data-start=\"1330\" data-end=\"1358\"\u003e50V Low Start-Up Voltage\u003c\/strong\u003e – Earlier and longer daily production\u003c\/li\u003e\n\u003cli data-start=\"1401\" data-end=\"1490\"\u003e\n\u003cstrong data-start=\"1401\" data-end=\"1441\"\u003eIntegrated Revenue-Grade Meter (RGM)\u003c\/strong\u003e – Accurate production and consumption tracking\u003c\/li\u003e\n\u003cli data-start=\"1493\" data-end=\"1572\"\u003e\n\u003cstrong data-start=\"1493\" data-end=\"1537\"\u003eModule-Level Monitoring \u0026amp; Rapid Shutdown\u003c\/strong\u003e – When paired with Tigo TS4 MLPE\u003c\/li\u003e\n\u003cli data-start=\"1575\" data-end=\"1665\"\u003e\n\u003cstrong data-start=\"1575\" data-end=\"1604\"\u003eBuilt-in Wi-Fi \u0026amp; Ethernet\u003c\/strong\u003e (optional cellular) – Always-connected energy intelligence\u003c\/li\u003e\n\u003cli data-start=\"1668\" data-end=\"1728\"\u003e\n\u003cstrong data-start=\"1668\" data-end=\"1690\"\u003eFast Commissioning\u003c\/strong\u003e – \u0026lt;10 minutes using the Tigo EI App\u003c\/li\u003e\n\u003cli data-start=\"1731\" data-end=\"1796\"\u003e\n\u003cstrong data-start=\"1731\" data-end=\"1753\"\u003eLightweight Design\u003c\/strong\u003e – Approx. 45 lbs for easier installation\u003c\/li\u003e\n\u003cli data-start=\"1799\" data-end=\"1862\"\u003e\n\u003cstrong data-start=\"1799\" data-end=\"1823\"\u003eNEMA 4X \/ IP65 Rated\u003c\/strong\u003e – Suitable for indoor or outdoor use\u003c\/li\u003e\n\u003cli data-start=\"1865\" data-end=\"1924\"\u003e\n\u003cstrong data-start=\"1865\" data-end=\"1889\"\u003eIntegrated CCA \u0026amp; RSS\u003c\/strong\u003e – Safety and compliance built in\u003c\/li\u003e\n\u003cli data-start=\"1927\" data-end=\"1988\"\u003e\n\u003cstrong data-start=\"1927\" data-end=\"1961\"\u003eEmergency Stop (E-Stop) Button\u003c\/strong\u003e – Enhanced system safety\u003c\/li\u003e\n\u003cli data-start=\"1991\" data-end=\"2029\"\u003e\u003cstrong data-start=\"1991\" data-end=\"2029\"\u003eTigo Access Point (TAP) Compatible\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2031\" data-end=\"2034\"\u003e\n\u003ch2 data-start=\"2036\" data-end=\"2067\"\u003e\u003cstrong data-start=\"2039\" data-end=\"2067\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"2070\" data-end=\"2100\"\u003e\n\u003cstrong data-start=\"2070\" data-end=\"2090\"\u003eAC Output Power:\u003c\/strong\u003e 11.4 kW\u003c\/li\u003e\n\u003cli data-start=\"2103\" data-end=\"2128\"\u003e\n\u003cstrong data-start=\"2103\" data-end=\"2113\"\u003ePhase:\u003c\/strong\u003e Single-Phase\u003c\/li\u003e\n\u003cli data-start=\"2131\" data-end=\"2183\"\u003e\n\u003cstrong data-start=\"2131\" data-end=\"2149\"\u003eInverter Type:\u003c\/strong\u003e Transformerless String Inverter\u003c\/li\u003e\n\u003cli data-start=\"2186\" data-end=\"2214\"\u003e\n\u003cstrong data-start=\"2186\" data-end=\"2202\"\u003eDC\/AC Ratio:\u003c\/strong\u003e Up to 2:1\u003c\/li\u003e\n\u003cli data-start=\"2217\" data-end=\"2233\"\u003e\n\u003cstrong data-start=\"2217\" data-end=\"2227\"\u003eMPPTs:\u003c\/strong\u003e 3–4\u003c\/li\u003e\n\u003cli data-start=\"2236\" data-end=\"2263\"\u003e\n\u003cstrong data-start=\"2236\" data-end=\"2257\"\u003eStarting Voltage:\u003c\/strong\u003e 50V\u003c\/li\u003e\n\u003cli data-start=\"2266\" data-end=\"2322\"\u003e\n\u003cstrong data-start=\"2266\" data-end=\"2285\"\u003eCommunications:\u003c\/strong\u003e Ethernet, Wi-Fi, Optional Cellular\u003c\/li\u003e\n\u003cli data-start=\"2325\" data-end=\"2363\"\u003e\n\u003cstrong data-start=\"2325\" data-end=\"2346\"\u003eEnclosure Rating:\u003c\/strong\u003e NEMA 4X (IP65)\u003c\/li\u003e\n\u003cli data-start=\"2366\" data-end=\"2408\"\u003e\n\u003cstrong data-start=\"2366\" data-end=\"2385\"\u003eCertifications:\u003c\/strong\u003e UL 1741 (CEC Listed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2410\" data-end=\"2413\"\u003e\n\u003ch2 data-start=\"2415\" data-end=\"2452\"\u003e\u003cstrong data-start=\"2418\" data-end=\"2452\"\u003eBattery \u0026amp; System Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"2455\" data-end=\"2507\"\u003eCompatible exclusively with \u003cstrong data-start=\"2483\" data-end=\"2505\"\u003eTigo TSB Batteries\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2510\" data-end=\"2558\"\u003eSupports \u003cstrong data-start=\"2519\" data-end=\"2556\"\u003e1, 2, or 4 batteries per inverter\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2561\" data-end=\"2592\"\u003eOne inverter per battery bank\u003c\/li\u003e\n\u003cli data-start=\"2595\" data-end=\"2642\"\u003eWorks with or without optimizers or batteries\u003c\/li\u003e\n\u003cli data-start=\"2645\" data-end=\"2705\"\u003eParallel inverter operation supported (battery limits apply)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2707\" data-end=\"2710\"\u003e\n\u003ch2 data-start=\"2712\" data-end=\"2751\"\u003e\u003cstrong data-start=\"2715\" data-end=\"2751\"\u003eGrid-Tied, Hybrid \u0026amp; Backup Ready\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"2754\" data-end=\"2783\"\u003e\u003cstrong data-start=\"2754\" data-end=\"2781\"\u003eNet Metering Compatible\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2786\" data-end=\"2849\"\u003e\n\u003cstrong data-start=\"2786\" data-end=\"2815\"\u003eAnti-Islanding Protection\u003c\/strong\u003e – No export during grid outages\u003c\/li\u003e\n\u003cli data-start=\"2852\" data-end=\"2923\"\u003e\n\u003cstrong data-start=\"2852\" data-end=\"2876\"\u003eBackup Power Capable\u003c\/strong\u003e when paired with \u003cstrong data-start=\"2894\" data-end=\"2921\"\u003eTigo ATS + Tigo Battery\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2926\" data-end=\"3011\"\u003eSupports \u003cstrong data-start=\"2935\" data-end=\"2962\"\u003eoff-grid configurations\u003c\/strong\u003e (internet connection required for full warranty)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3013\" data-end=\"3016\"\u003e\n\u003ch2 data-start=\"3018\" data-end=\"3051\"\u003e\u003cstrong data-start=\"3021\" data-end=\"3051\"\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003col\u003e\n\u003cli data-start=\"3053\" data-end=\"3210\"\u003e\n\u003cstrong data-start=\"3053\" data-end=\"3103\"\u003eIs this inverter compatible with net metering?\u003c\/strong\u003e\u003cbr data-start=\"3103\" data-end=\"3106\"\u003eYes. Net metering is utility-tracked and fully supported, with monitoring available via the Tigo portal.\u003c\/li\u003e\n\u003cli data-start=\"3212\" data-end=\"3317\"\u003e\n\u003cstrong data-start=\"3212\" data-end=\"3252\"\u003eCan it operate during a grid outage?\u003c\/strong\u003e\u003cbr data-start=\"3252\" data-end=\"3255\"\u003eYes, when paired with a \u003cstrong data-start=\"3279\" data-end=\"3316\"\u003eTigo ATS and Tigo Lithium Battery\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"3319\" data-end=\"3472\"\u003e\n\u003cstrong data-start=\"3319\" data-end=\"3370\"\u003eDo I need Tigo optimizers to use this inverter?\u003c\/strong\u003e\u003cbr data-start=\"3370\" data-end=\"3373\"\u003eNo. The inverter works with or without optimizers. Without optimizers, monitoring is at the string level.\u003c\/li\u003e\n\u003cli data-start=\"3474\" data-end=\"3559\"\u003e\n\u003cstrong data-start=\"3474\" data-end=\"3510\"\u003eCan I use third-party batteries?\u003c\/strong\u003e\u003cbr data-start=\"3510\" data-end=\"3513\"\u003eNo. Only \u003cstrong data-start=\"3522\" data-end=\"3544\"\u003eTigo TSB batteries\u003c\/strong\u003e are supported.\u003c\/li\u003e\n\u003cli data-start=\"3561\" data-end=\"3635\"\u003e\n\u003cstrong data-start=\"3561\" data-end=\"3592\"\u003eIs rapid shutdown included?\u003c\/strong\u003e\u003cbr data-start=\"3592\" data-end=\"3595\"\u003eYes, when paired with \u003cstrong data-start=\"3617\" data-end=\"3634\"\u003eTigo TS4 MLPE\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr data-start=\"3747\" data-end=\"3750\"\u003e\n\u003ch2 data-start=\"3752\" data-end=\"3768\"\u003e\u003cstrong data-start=\"3755\" data-end=\"3768\"\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"3771\" data-end=\"3808\"\u003eResidential solar + storage systems\u003c\/li\u003e\n\u003cli data-start=\"3811\" data-end=\"3856\"\u003eHomeowners planning future battery upgrades\u003c\/li\u003e\n\u003cli data-start=\"3859\" data-end=\"3918\"\u003eInstallers seeking fast commissioning and flexible design\u003c\/li\u003e\n\u003cli data-start=\"3921\" data-end=\"3995\"\u003eProjects requiring module-level monitoring and rapid shutdown compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3997\" data-end=\"4000\"\u003e\n\u003ch3 data-start=\"4002\" data-end=\"4033\"\u003e\u003cstrong data-start=\"4006\" data-end=\"4033\"\u003eWhy Choose Tigo Energy?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"4034\" data-end=\"4201\"\u003eTigo is a global leader in \u003cstrong data-start=\"4061\" data-end=\"4112\"\u003esolar MLPE, monitoring, and energy intelligence\u003c\/strong\u003e, trusted by installers worldwide for reliability, safety, and system-level optimization.\u003c\/p\u003e\n\u003cp\u003eEI Inverter 11.4kW Spec Sheet: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0850\/1801\/8067\/files\/68b7289e9d267cfd229d81cb_002-00081-00_4.5_Datasheet_EI_Inverter_20250826_-_EN.pdf?v=1756994616\"\u003eDownload\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eTSB-10-US Battery Quick Start Guide: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0850\/1801\/8067\/files\/Tigo_EI_Battery-Quick-Start-Guide.pdf?v=1770316255\" title=\"Tigo TSB-10-US EI Lithium Battery with Enclosure 10kWh | 701-2010H0-0002\"\u003eDownload\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eEI Inverter Quick Start Guide: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0850\/1801\/8067\/files\/647f4e0f6d5e415085f05c70_EI_US_inverter_QSG_002-00119-00_3.0_20230504_1.pdf?v=1756994616\"\u003eDownload\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eEI Inverter\/Battery Manual: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0850\/1801\/8067\/files\/67118f71d9e3b31a033cd543_002-00149-00_1.5_IO_M_EI_Residential_US_200A_20240930_-_EN.pdf?v=1756994616\"\u003eDownload\u003c\/a\u003e\u003c\/p\u003e","brand":"Portable Sun LLC","offers":[{"title":"Default Title","offer_id":44784482254963,"sku":"sku-52282806108435","price":2329.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/9969\/3939\/files\/Tigo_3_8kW_Energy_Storage_Hybrid_Inverter_3_8KW_BackUp_EthernetWiFi__26828.jpg?v=1776257977","url":"https:\/\/ampereauthority.com\/products\/tigo-ei-11-4kw-energy-storage-hybrid-inverter-tsi-11-4k-us-ethernet-wifi","provider":"Ampere Authority","version":"1.0","type":"link"}