{"product_id":"sigenergy-sigenstor-split-phase-us-hybrid-inverter","title":"SigEnergy SigenStor Split Phase US (3.8-11.5 kW) Hybrid Inverter","description":"\u003cp\u003eThe \u003cstrong\u003eSigenergy SigenStor Split Phase Hybrid Inverter\u003c\/strong\u003e is a modular, all-in-one home energy system that integrates a solar inverter, battery power conversion system (PCS), energy management system (EMS), and optional EV DC charger into a single stackable cabinet. Available in output configurations from \u003cstrong\u003e3.8kW to 11.5kW\u003c\/strong\u003e, it scales to match the load requirements of a wide range of residential and small commercial installations across the US split-phase market.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#f4f8ff;border:1px solid #d0e0f0;border-radius:8px;padding:16px 20px;margin:20px 0;\"\u003e\n\u003cstrong\u003eCertifications \u0026amp; Compliance\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:0.95em;\"\u003e\nUL 1741 Listed  |  UL 1741 SA (Grid Support)  |  NEMA-3R Enclosure  |  10-Year Manufacturer Warranty  |  NEC Rapid Shutdown Compliant\n\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eWith four independent MPPTs and a 2:1 DC\/AC oversizing ratio, the SigenStor maximizes solar harvest on complex roof geometries with multiple orientations or shading conditions. The system operates in both on-grid and off-grid modes with seamless switching, and features AFCI protection and NEC rapid shutdown compliance — meeting the safety requirements of all current NEC code cycles for residential solar installations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e 3.8kW to 11.5kW (120\/240V split-phase)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPPT Inputs:\u003c\/strong\u003e 4 independent MPPTs, up to 16A per tracker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePV Input Voltage Range:\u003c\/strong\u003e 50–550V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC\/AC Ratio:\u003c\/strong\u003e Up to 2:1 (array oversizing supported)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak Efficiency:\u003c\/strong\u003e 97.8%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Compatibility:\u003c\/strong\u003e SigenStor BAT 6.0 and 9.0 kWh modules (stacks up to 54.24kWh per stack)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEV Charging:\u003c\/strong\u003e Supports optional 25kW bidirectional DC EV charger module (V2H\/V2G capable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackup Mode:\u003c\/strong\u003e Multi-source black start; on \u0026amp; off-grid compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Shutdown:\u003c\/strong\u003e NEC compliant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e NEMA 4X — indoor and outdoor rated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Smart air cooling\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe SigenStor can operate as a string inverter without batteries, providing installers flexibility to deploy storage now or add it later as a customer's budget allows. The modular, stackable design means multiple units can be paralleled for commercial-scale deployments. The integrated EMS provides precise load control, time-of-use optimization, and remote monitoring through the mySigen App. Compatible with the Sigenergy LoadHub for whole-home backup and smart circuit management.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e SigenStor battery packs and the bidirectional DC EV charger module are sold separately.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Buy From Solwel?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Shipping on Orders Over \\$10,000\u003c\/strong\u003e — Fast fulfillment from our Houston and Dallas warehouses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthorized Distributor\u003c\/strong\u003e — Genuine manufacturer-backed products with full warranty support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Technical Support\u003c\/strong\u003e — Our team knows these products inside and out. Call us at (346) 432-4228\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstaller Pricing Available\u003c\/strong\u003e — Contact us for volume pricing and contractor accounts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStocked in Texas\u003c\/strong\u003e — Reduced lead times for Southwest and national projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions — Sigenergy SigenStor Hybrid Inverter\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat makes the SigenStor a \"5-in-1\" system?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe SigenStor integrates five functions in a single unit: solar inverter, battery PCS (power conversion), energy management system (EMS), optional EV DC charger, and grid interface. This eliminates the need for separate components and simplifies installation significantly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes the SigenStor work without batteries?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The SigenStor hybrid inverter operates in grid-tied solar-only mode without battery packs installed. SigenStor battery packs can be added later to enable backup power and self-consumption optimization.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs the SigenStor compatible with third-party batteries?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eNo. The SigenStor inverter is a closed ecosystem designed exclusively for use with \u003cstrong\u003eSigenergy SigenStor battery packs\u003c\/strong\u003e. Third-party batteries are not compatible.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes the SigenStor support EV charging?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes — the SigenStor supports a proprietary bidirectional DC EV charger module (sold separately) for V2H (vehicle-to-home) and V2G (vehicle-to-grid) functionality. This allows a compatible EV to act as an additional backup power source for your home.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat certifications does the SigenStor inverter carry?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe SigenStor is UL 1741 listed and meets U.S. grid interconnection requirements. Always verify local utility interconnection requirements with your installer before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n","brand":"Sigenergy","offers":[{"title":"Default Title","offer_id":52169870999841,"sku":"Sigenstor EC SP US","price":2172.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/1442\/5633\/files\/SigenStorECSPUS_Sigenergy_22e97aec-2a1e-4ca7-acb4-fbd11917d133.webp?v=1779382565","url":"https:\/\/solwel.com\/products\/sigenergy-sigenstor-split-phase-us-hybrid-inverter","provider":"Solwel","version":"1.0","type":"link"}