{"product_id":"goodwe-sbp-us-series-g2-ac-couple-inverter-w-ezlink-lan-gw11k4-sbp-us20","title":"GoodWe SBP US Series G2 AC Couple Inverter w\/ EZLink LAN - GW11K4-SBP-US20","description":"\u003ch2\u003eGoodWe SBP-US (G2) — GW11K4-SBP-US20, 11.4 kW Split-phase AC-Coupled w\/ EZLink LAN\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong data-start=\"278\" data-end=\"342\"\u003eGoodWe SBP US Series G2 AC Couple Inverter - GW11K4-SBP-US20\u003c\/strong\u003e is a high-performance AC-coupled inverter designed to deliver reliable energy management for modern residential and light commercial solar systems. Built with advanced grid-support features and intelligent connectivity, this inverter offers seamless integration with existing solar installations while maximizing backup power efficiency and system stability. Its robust design, smart monitoring, and future-ready architecture make it an excellent choice for users looking to enhance energy independence and grid resilience.\u003c\/p\u003e\n\u003cp\u003eFlagship G2 AC-coupled inverter for whole-home backup with \u003cstrong\u003ebuilt-in autotransformer\u003c\/strong\u003e, \u003cstrong\u003emicro-grid operation\u003c\/strong\u003e, and \u003cstrong\u003egenerator compatibility\u003c\/strong\u003e. Comms: \u003cstrong\u003eLAN (4G optional) + Bluetooth + Wi-Fi\u003c\/strong\u003e. :contentReference[oaicite:26]{index=26}\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications — GW11K4-SBP-US20\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eBattery Input\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal \/ range \/ start\u003c\/td\u003e\n\u003ctd\u003e300 V \/ 80–495 V* \/ 80 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs \/ charge \u0026amp; discharge current\u003c\/td\u003e\n\u003ctd\u003e1 \/ 50 A \u0026amp; 50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax charging \/ discharging power\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e11,400 W\u003c\/strong\u003e \/ \u003cstrong\u003e11,970 W\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eAC Output (On-grid)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal W \/ VA to grid\u003c\/td\u003e\n\u003ctd\u003e11,400 W \/ 11,400 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax VA to\/from grid\u003c\/td\u003e\n\u003ctd\u003e11,400 VA \/ 11,400 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage \/ frequency\u003c\/td\u003e\n\u003ctd\u003e240 V • 60 Hz (58.5–61.2 Hz) • 211–264 V range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax AC current to\/from grid\u003c\/td\u003e\n\u003ctd\u003e47.5 A \/ 47.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eAC Output (Back-up)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack-up VA \/ Max with grid\u003c\/td\u003e\n\u003ctd\u003e11,400 VA \/ 17,280 VA @ 10 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax output current\u003c\/td\u003e\n\u003ctd\u003e47.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eEfficiency\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax \/ CEC \/ Battery→AC\u003c\/td\u003e\n\u003ctd\u003e97.0% \/ 96.0% \/ 97.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eProtection • General • Certifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eSame series protections; \u003cstrong\u003e74.7 lb\u003c\/strong\u003e; NEMA 4X; noise \u0026lt; 40 dB; non-isolated; \u0026lt; 20 W night self-use*. UL1741 SB, IEEE 1547, etc.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEV Charger (Optional — series block)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLevel \/ Power \/ Freq\u003c\/td\u003e\n\u003ctd\u003eAC Level 2 \/ 9,600 W \/ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax continuous current\u003c\/td\u003e\n\u003ctd\u003e40 A (selectable; default 16 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApp \/ Cable\u003c\/td\u003e\n\u003ctd\u003eWi-Fi, Bluetooth \/ 7.6 m*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDegree \/ Standards\u003c\/td\u003e\n\u003ctd\u003eNEMA 4X \/ UL2594, UL2231-1\/-2; NEC 625; SAE J1772\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003csmall\u003e* Datasheet footnotes: microgrid battery voltage cap 450 V; EV cable ordered separately. :contentReference[oaicite:27]{index=27}\u003c\/small\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"868\" data-end=\"929\"\u003eAdvanced AC-Coupled Design for Flexible Solar Integration\u003c\/h3\u003e\n\u003cp data-start=\"931\" data-end=\"1390\"\u003eThe \u003cstrong data-start=\"935\" data-end=\"999\"\u003eGoodWe SBP US Series G2 AC Couple Inverter - GW11K4-SBP-US20\u003c\/strong\u003e is engineered with an AC-coupled architecture, allowing it to work efficiently with both new and existing PV systems. This flexibility makes it ideal for retrofit projects where homeowners want to add battery storage without replacing their current solar inverter. By enabling seamless AC coupling, the system ensures smooth \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Energy\" target=\"_blank\" title=\"\" rel=\"noopener\"\u003eenergy\u003c\/a\u003e flow between solar panels, batteries, and household loads.\u003c\/p\u003e\n\u003cp data-start=\"1392\" data-end=\"1643\"\u003eThis inverter supports intelligent energy distribution, prioritizing essential loads during grid outages. It automatically detects grid failures and transitions to backup mode with minimal interruption, providing continuous power when it matters most.\u003c\/p\u003e\n\u003ch3 data-start=\"1645\" data-end=\"1693\"\u003eSmart Energy Management with High Efficiency\u003c\/h3\u003e\n\u003cp data-start=\"1695\" data-end=\"2045\"\u003eEnergy efficiency is at the core of the \u003cstrong data-start=\"1735\" data-end=\"1812\"\u003eGoodWe SBP US Series G2 AC Couple Inverter w\/ EZLink 4G - GW11K4-SBP-US20\u003c\/strong\u003e. It delivers optimized power conversion with minimal energy loss, helping users make the most of their solar generation and stored energy. Advanced algorithms ensure precise load control, peak shaving, and improved self-consumption.\u003c\/p\u003e\n\u003cp data-start=\"2047\" data-end=\"2263\"\u003eThe inverter is designed to manage energy intelligently by balancing real-time consumption with stored power. This helps reduce dependency on the grid, lower electricity bills, and enhance overall system performance.\u003c\/p\u003e\n\u003ch3 data-start=\"2265\" data-end=\"2301\"\u003eBuilt-In Backup Power Capability\u003c\/h3\u003e\n\u003cp data-start=\"2303\" data-end=\"2689\"\u003eOne of the standout features of the \u003cstrong data-start=\"2339\" data-end=\"2403\"\u003eGoodWe SBP US Series G2 AC Couple Inverter - GW11K4-SBP-US20\u003c\/strong\u003e is its reliable backup power support. During grid outages, the inverter isolates the system safely and continues supplying power to critical loads. This feature is particularly valuable in regions prone to power disruptions, ensuring uninterrupted electricity for essential appliances.\u003c\/p\u003e\n\u003cp data-start=\"2691\" data-end=\"2902\"\u003eThe system’s fast switching capability ensures a smooth transition between grid-connected and off-grid operation. This reliability enhances user confidence and makes it a dependable solution for energy security.\u003c\/p\u003e\n\u003ch3 data-start=\"2904\" data-end=\"2944\"\u003eSeamless Connectivity with EZLink 4G\u003c\/h3\u003e\n\u003cp data-start=\"2946\" data-end=\"3256\"\u003eThe \u003cstrong data-start=\"2950\" data-end=\"3027\"\u003eGoodWe SBP US Series G2 AC Couple Inverter w\/ EZLink 4G - GW11K4-SBP-US20\u003c\/strong\u003e comes equipped with EZLink 4G connectivity, enabling real-time monitoring and remote system management. This feature allows users and installers to track system performance, energy production, and consumption data from anywhere.\u003c\/p\u003e\n\u003cp data-start=\"3258\" data-end=\"3480\"\u003eWith stable communication and cloud-based monitoring, system diagnostics and performance optimization become easier and more efficient. This connectivity ensures proactive maintenance and long-term operational reliability.\u003c\/p\u003e\n\u003ch3 data-start=\"3482\" data-end=\"3530\"\u003eSafety-Focused and Grid-Compliant Technology\u003c\/h3\u003e\n\u003cp data-start=\"3532\" data-end=\"3836\"\u003eSafety and compliance are critical aspects of modern energy systems, and the \u003ca href=\"https:\/\/www.portlandiaelectric.supply\/products\/goodwe-sbp-us-series-g2-ac-couple-inverter-w-ezlink-4g-gw11k4-sbp-us20\" target=\"_self\" title=\"\"\u003eGoodWe SBP US Series G2 AC Couple Inverter - GW11K4-SBP-US20\u003c\/a\u003e meets stringent standards. It includes multiple built-in protection mechanisms such as over-voltage protection, anti-islanding protection, and thermal monitoring.\u003c\/p\u003e\n\u003cp data-start=\"3838\" data-end=\"4060\"\u003eThe inverter is designed to comply with current grid regulations, ensuring smooth approval and safe operation. Its durable enclosure and high-quality components make it suitable for long-term use in demanding environments.\u003c\/p\u003e\n\u003ch3 data-start=\"4062\" data-end=\"4100\"\u003eDesigned for Long-Term Performance\u003c\/h3\u003e\n\u003cp data-start=\"4102\" data-end=\"4433\"\u003eDurability and scalability are key advantages of the \u003cstrong data-start=\"4155\" data-end=\"4219\"\u003eGoodWe SBP US Series G2 AC Couple Inverter - GW11K4-SBP-US20\u003c\/strong\u003e. The inverter is built to support future energy expansion, making it easy to scale storage capacity as energy needs grow. This future-ready design protects your investment while supporting evolving energy demands.\u003c\/p\u003e\n\u003cp data-start=\"4435\" data-end=\"4639\"\u003eWith its intelligent controls, efficient performance, and reliable backup capabilities, this inverter delivers a balanced solution for homeowners and businesses seeking dependable solar energy management.\u003c\/p\u003e","brand":"Goodwe","offers":[{"title":"Default Title","offer_id":42500724981894,"sku":"PES-SPS-SIV-0698","price":4102.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/5188\/6982\/files\/es-us_series_hybrid_inverter_3_fc1893f2-d14b-4585-aa30-9708d29e6d37.jpg?v=1760465182","url":"https:\/\/www.portlandiaelectric.supply\/products\/goodwe-sbp-us-series-g2-ac-couple-inverter-w-ezlink-lan-gw11k4-sbp-us20","provider":"Portlandia Electric Supply","version":"1.0","type":"link"}