{"product_id":"goodwe-11-4kw-sbp-us-series-split-phase-ac-coupled-retrofit-inverter-gw11k4-sbp-us20","title":"GoodWe 11.4kW SBP-US Series Split Phase AC-Coupled Retrofit Inverter GW11K4-SBP-US20","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/3408\/1340\/files\/Webshop_TRANS_160x160.png?v=1740641472\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eGoodWe 11.4kW SBP-US Series Split Phase AC-coupled Retrofit Inverter GW11K4-SBP-US20\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe GoodWe GW11K4-SBP-US20 SBP-US Series is an 11.4kW split-phase, high-voltage AC-coupled retrofit inverter designed for residential battery storage, backup power, and microgrid applications in North America.\u003c\/p\u003e\n\u003cp\u003eIts AC-coupled architecture makes it particularly well suited for adding battery storage and backup functionality to an existing solar installation without replacing the existing PV inverter.\u003c\/p\u003e\n\u003cp\u003eThe SBP-US platform supports off-grid applications, unbalanced load output, and microgrid operation during blackouts.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technology\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e11.4kW AC-Coupled Retrofit Inverter\u003c\/strong\u003e\u003cbr\u003eProvides 11,400W nominal AC output for high-capacity residential battery storage, energy management, and backup applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for Existing Solar Systems\u003c\/strong\u003e\u003cbr\u003eThe AC-coupled architecture makes the SBP-US Series well suited for retrofit installations where a PV system and solar inverter are already installed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Voltage Battery Integration\u003c\/strong\u003e\u003cbr\u003eSupports lithium-ion batteries operating across an 80–495V battery voltage range, with a nominal battery voltage of 300V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e11.4kW Battery Charging Power\u003c\/strong\u003e\u003cbr\u003eProvides up to 11,400W maximum battery charging power with up to 50A maximum continuous charging current.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e11.97kW Battery Discharging Power\u003c\/strong\u003e\u003cbr\u003eSupports up to 11,970W maximum battery discharge power with up to 50A maximum continuous discharging current.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e120\/240V Split-Phase Backup\u003c\/strong\u003e\u003cbr\u003eProvides 11,400VA nominal backup apparent power with 120\/240V split-phase output for supported residential backup loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e17.28kVA Short-Duration Backup Output\u003c\/strong\u003e\u003cbr\u003eCan provide up to 17,280VA for 10 seconds when sufficient PV and battery power are available, providing additional capacity for temporary startup and surge loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMicrogrid Operation During Blackouts\u003c\/strong\u003e\u003cbr\u003eDesigned to enable compatible PV systems to continue generating power to support load consumption while the utility grid is unavailable as part of a properly configured microgrid.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-In Autotransformer\u003c\/strong\u003e\u003cbr\u003eSupports unbalanced 120\/240V load output without requiring an additional external autotransformer, helping reduce installation complexity and system hardware requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGenerator Compatibility\u003c\/strong\u003e\u003cbr\u003eCompatible with fossil-fuel generators to provide additional backup flexibility and help maintain a stable power supply during extended grid outages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e24\/7 Load Consumption Monitoring\u003c\/strong\u003e\u003cbr\u003eSupports continuous load monitoring and multiple communication protocols for intelligent residential energy management.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptional EV Charger Integration\u003c\/strong\u003e\u003cbr\u003eThe SBP-US platform supports an optional EV charger function, allowing the compatible EV charging cable to connect directly to the inverter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e97% Maximum Efficiency\u003c\/strong\u003e\u003cbr\u003eProvides up to 97.0% maximum efficiency and 97.0% maximum battery-to-AC efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Electrical Protection\u003c\/strong\u003e\u003cbr\u003eIncludes residual current monitoring, battery reverse-polarity protection, anti-islanding protection, AC overcurrent protection, AC short-circuit protection, AC overvoltage protection, Type III AC surge protection, and battery arc-fault detection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNEMA Type 4X Enclosure\u003c\/strong\u003e\u003cbr\u003eDurable wall-mounted enclosure provides environmental protection for flexible residential installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eBest Uses\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExisting Solar System Battery Retrofits\u003c\/strong\u003e\u003cbr\u003eIdeal for adding compatible high-voltage battery storage and energy management functionality to homes with an existing PV system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Capacity Residential Backup\u003c\/strong\u003e\u003cbr\u003eProvides up to 11.4kVA nominal backup output for residential applications requiring greater backup capacity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMicrogrid Applications\u003c\/strong\u003e\u003cbr\u003eDesigned to support PV generation and load consumption during blackouts when incorporated into a properly configured microgrid system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSolar Self-Consumption\u003c\/strong\u003e\u003cbr\u003eAllows compatible battery storage to capture available energy and make it available later for household consumption.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGenerator-Integrated Energy Systems\u003c\/strong\u003e\u003cbr\u003eSuitable for residential backup systems incorporating a compatible fossil-fuel generator for extended energy resilience.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStorage + EV Charging Systems\u003c\/strong\u003e\u003cbr\u003eSupports optional Level 2 EV charging for homes combining battery storage, backup power, intelligent energy management, and electric vehicle charging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eGoodWe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSBP-US Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eGW11K4-SBP-US20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInverter Type\u003c\/td\u003e\n\u003ctd\u003eSplit-Phase AC-Coupled Retrofit Inverter (HV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eLithium-Ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Battery Voltage\u003c\/td\u003e\n\u003ctd\u003e300 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Voltage Range\u003c\/td\u003e\n\u003ctd\u003e80–495 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Start-Up Voltage\u003c\/td\u003e\n\u003ctd\u003e80 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Battery Inputs\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Continuous Charging Current\u003c\/td\u003e\n\u003ctd\u003e50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Continuous Discharging Current\u003c\/td\u003e\n\u003ctd\u003e50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Battery Charging Power\u003c\/td\u003e\n\u003ctd\u003e11,400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Battery Discharging Power\u003c\/td\u003e\n\u003ctd\u003e11,970 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal AC Output Power\u003c\/td\u003e\n\u003ctd\u003e11,400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Apparent Power Output to Utility Grid\u003c\/td\u003e\n\u003ctd\u003e11,400 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Apparent Power Output to Utility Grid\u003c\/td\u003e\n\u003ctd\u003e11,400 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Apparent Power From Utility Grid\u003c\/td\u003e\n\u003ctd\u003e11,400 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Apparent Power From Utility Grid Without EV Charger\u003c\/td\u003e\n\u003ctd\u003e11,400 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal AC Output Voltage\u003c\/td\u003e\n\u003ctd\u003e240 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Output Voltage Range\u003c\/td\u003e\n\u003ctd\u003e211–264 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal AC Grid Frequency\u003c\/td\u003e\n\u003ctd\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Grid Frequency Range\u003c\/td\u003e\n\u003ctd\u003e58.5–61.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum AC Current Output to Utility Grid\u003c\/td\u003e\n\u003ctd\u003e47.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum AC Current From Utility Grid\u003c\/td\u003e\n\u003ctd\u003e47.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum AC Current From Utility Grid Without EV Charger\u003c\/td\u003e\n\u003ctd\u003e47.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum AC Current From Utility Grid With EV Charger\u003c\/td\u003e\n\u003ctd\u003e47.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Factor\u003c\/td\u003e\n\u003ctd\u003e~1, Adjustable from 0.8 Leading to 0.8 Lagging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Total Harmonic Distortion\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackup Nominal Apparent Power\u003c\/td\u003e\n\u003ctd\u003e11,400 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Backup Apparent Power with Grid\u003c\/td\u003e\n\u003ctd\u003e11,400 VA Continuous \/ 17,280 VA for 10 Seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Backup Apparent Power without Grid\u003c\/td\u003e\n\u003ctd\u003e11,400 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Backup Output Current\u003c\/td\u003e\n\u003ctd\u003e47.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackup Nominal Output Voltage\u003c\/td\u003e\n\u003ctd\u003e240 \/ 120 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackup Nominal Output Frequency\u003c\/td\u003e\n\u003ctd\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackup Output THDv\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3% @ Linear Load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Efficiency\u003c\/td\u003e\n\u003ctd\u003e97.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCEC Efficiency\u003c\/td\u003e\n\u003ctd\u003e96.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Battery-to-AC Efficiency\u003c\/td\u003e\n\u003ctd\u003e97.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResidual Current Monitoring\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Reverse Polarity Protection\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-Islanding Protection\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Overcurrent Protection\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Short-Circuit Protection\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Overvoltage Protection\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Surge Protection\u003c\/td\u003e\n\u003ctd\u003eType III\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Arc-Fault Detection\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-31°F to 140°F (-35°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e0–95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Operating Altitude\u003c\/td\u003e\n\u003ctd\u003e9,842 ft (3,000 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Method\u003c\/td\u003e\n\u003ctd\u003eNatural Convection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Interface\u003c\/td\u003e\n\u003ctd\u003eLED, App\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMS Communication\u003c\/td\u003e\n\u003ctd\u003eRS485, CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeter Communication\u003c\/td\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePortal Communication\u003c\/td\u003e\n\u003ctd\u003eLAN (4G Optional) + Bluetooth + Wi-Fi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Emission\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;40 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopology\u003c\/td\u003e\n\u003ctd\u003eNon-Isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf-Consumption at Night\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;20 W (No Backup Output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection Rating\u003c\/td\u003e\n\u003ctd\u003eNEMA Type 4X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003eWall Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W × H × D)\u003c\/td\u003e\n\u003ctd\u003e19.1 × 35.4 × 7.5 in \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e74.7 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrid Interconnection\u003c\/td\u003e\n\u003ctd\u003eUL 1741 SB, California Rule 21, HECO Rule 14, IEEE 1547, IEEE 1547.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Regulations\u003c\/td\u003e\n\u003ctd\u003eUL 1741, CSA 22.2 No. 107.1, UL 1998, UL 1699B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectromagnetic Compatibility\u003c\/td\u003e\n\u003ctd\u003eFCC Part 15 Class B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAC-Coupled Retrofit \u0026amp; Microgrid Capability\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe GW11K4-SBP-US20 is designed as an AC-coupled retrofit solution for North American residential energy storage. The SBP-US Series supports off-grid applications and unbalanced output for load consumption without requiring an extra autotransformer. The platform is also designed for microgrid operation during blackouts, enabling a compatible PV system to generate power to support load consumption while the utility grid is unavailable. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBattery \u0026amp; Backup Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe GW11K4-SBP-US20 provides 11,400VA nominal backup apparent power at 120\/240V with up to 47.5A output current. Maximum backup apparent power with the grid can reach 17,280VA for 10 seconds when sufficient PV and battery power are available, while maximum output without the grid is 11,400VA. Maximum inverter efficiency is 97.0%, with a CEC efficiency of 96.0%. \u003c\/p\u003e\n\u003cp\u003eMicrogrid Battery Note: Although the standard battery voltage range is 80–495V, GoodWe specifies that the maximum battery voltage is 450V for AC-coupled inverters in microgrid applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegrated Protection \u0026amp; Communications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe GW11K4-SBP-US20 incorporates residual current monitoring, battery reverse-polarity protection, anti-islanding protection, AC overcurrent protection, AC short-circuit protection, AC overvoltage protection, Type III AC surge protection, and battery arc-fault detection. Communication options include RS485 and CAN for the BMS, RS485 for metering, and LAN, optional 4G, Bluetooth, and Wi-Fi for portal connectivity. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOptional EV Charging\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe SBP-US Series supports an optional 9.6kW AC Level 2 EV charger with selectable maximum continuous output current of 16A, 24A, 32A, or 40A. Configuration and indication are handled through the app using Wi-Fi and Bluetooth, while the charging interface uses SAE J1772. The EV charger cable is 7.6 meters (approximately 24.9 ft) long and is ordered separately. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAbout GoodWe:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eGoodWe develops solar inverters, energy storage systems, EV charging equipment, backup power solutions, and intelligent energy management technologies for residential and distributed energy applications. Its energy platforms are designed to integrate battery storage, backup power, monitoring, EV charging, and renewable generation into flexible home energy systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eHigh-Capacity Battery Retrofit and Backup Energy Management\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe GoodWe GW11K4-SBP-US20 combines 11.4kW AC output, 11.97kW maximum battery discharge power, high-voltage battery support, 120\/240V split-phase backup, AC-coupled retrofit capability, microgrid operation, built-in autotransformer functionality, generator compatibility, and optional EV charging in a high-capacity residential energy storage inverter. It is particularly well suited for homeowners looking to add substantial battery storage and backup functionality to an existing solar installation.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Buy From US Solar Supplier\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUS Solar Supplier is an American-founded company based in Kentucky dedicated to offering top-quality solar components from trusted manufacturers. We provide competitive pricing, dependable inventory, and products backed by warranties you can trust.\u003c\/p\u003e\n\u003cp\u003eOur inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eNeed Assistance?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHave questions before you order? Call \u003cstrong\u003e1-800-230-7004\u003c\/strong\u003e to speak with our knowledgeable support team. We’re here to help with product details, compatibility questions, or purchasing support.\u003c\/p\u003e","brand":"GoodWe","offers":[{"title":"Default Title","offer_id":52306186436906,"sku":"USSSP202-1166","price":1385.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/3408\/1340\/files\/GW11K4-SBP-US20_USSS.png?v=1787328212","url":"https:\/\/ussolarsupplier.com\/products\/goodwe-11-4kw-sbp-us-series-split-phase-ac-coupled-retrofit-inverter-gw11k4-sbp-us20","provider":"US Solar Supplier","version":"1.0","type":"link"}