{"product_id":"eg4-flexboss18-hybrid-inverter-13kw-18kpv-solar-and-battery-inverter","title":"EG4 FLEXBOSS18 Hybrid Inverter 13kW 18kPV Solar and Battery Inverter","description":"\u003ch2 data-end=\"73\" data-start=\"0\" data-section-id=\"1629llf\"\u003eEG4 FLEXBOSS18 Hybrid Inverter 13kW 18kPV Solar and Battery Inverter\u003c\/h2\u003e\n\u003cp data-end=\"519\" data-start=\"75\"\u003ePower large residential and light commercial energy systems with the EG4 FLEXBOSS18 Hybrid Inverter. Designed for high-performance solar integration, it delivers reliable 13kW output with support for extensive PV input and battery storage. This intelligent hybrid solution enables efficient energy management, seamless backup capability, and scalable system expansion, making it ideal for off-grid, grid-tied, and energy storage applications.\u003c\/p\u003e\n\u003cp data-end=\"539\" data-start=\"521\"\u003e\u003cstrong data-end=\"537\" data-start=\"521\"\u003eKEY FEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1068\" data-start=\"540\"\u003e\n\u003cli data-end=\"616\" data-start=\"540\" data-section-id=\"k2a40v\"\u003eHigh 13kW output capacity for demanding residential and commercial loads\u003c\/li\u003e\n\u003cli data-end=\"682\" data-start=\"617\" data-section-id=\"1i0y8md\"\u003eSupports up to 18kPV solar input for large system flexibility\u003c\/li\u003e\n\u003cli data-end=\"757\" data-start=\"683\" data-section-id=\"vucwlg\"\u003eHybrid functionality for seamless solar, battery, and grid integration\u003c\/li\u003e\n\u003cli data-end=\"820\" data-start=\"758\" data-section-id=\"1va22oj\"\u003eAdvanced energy management for optimized system efficiency\u003c\/li\u003e\n\u003cli data-end=\"881\" data-start=\"821\" data-section-id=\"o7ulgs\"\u003eBuilt-in smart monitoring and communication capabilities\u003c\/li\u003e\n\u003cli data-end=\"941\" data-start=\"882\" data-section-id=\"vx1amh\"\u003eReliable backup power support during grid interruptions\u003c\/li\u003e\n\u003cli data-end=\"1007\" data-start=\"942\" data-section-id=\"1faoej0\"\u003eScalable design suitable for expanding energy storage systems\u003c\/li\u003e\n\u003cli data-end=\"1068\" data-start=\"1008\" data-section-id=\"z3evlk\"\u003eRobust protection features for safe and stable operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"EG4 FlexBoss18 Inverter - easily scalable\" src=\"https:\/\/i0.wp.com\/bigbattery.com\/wp-content\/uploads\/2025\/05\/FlexBoss18-Simple-System-Expansion-Final-scaled.png?fit=2560%2C1025\u0026amp;quality=80\u0026amp;ssl=1\"\u003e\u003cbr\u003e\u003cimg alt=\"UL Certified - EG4 FlexBoss18 Inverter\" src=\"https:\/\/i0.wp.com\/bigbattery.com\/wp-content\/uploads\/2025\/02\/EG4-Inverter-Certification-scaled.png?fit=2560%2C1025\u0026amp;quality=80\u0026amp;ssl=1\"\u003e\u003cbr\u003e\u003cimg alt=\"power stays on in rain and snow - EG4 FlexBoss18 Inverter\" src=\"https:\/\/i0.wp.com\/bigbattery.com\/wp-content\/uploads\/2025\/05\/FlexBoss18-All-Weather-Rain.gif?fit=2097%2C840\u0026amp;ssl=1\"\u003e\u003cbr\u003e\u003ciframe title=\"BEST INVERTER ON THE MARKET?? || EG4 FlexBOSS18\" src=\"https:\/\/www.youtube.com\/embed\/zdghxCJyxIM\" height=\"855\" width=\"1466\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"1090\" data-start=\"1070\"\u003e\u003cstrong data-end=\"1088\" data-start=\"1070\"\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal AC Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120\/240VAC | 120\/208VAC (L1\/L2\/N required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 Hz (Default) | 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. AC Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e54A @ 240V | 54A @ 208V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. AC Input Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. AC Bypass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e180 – 270VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120\/240VAC | 120\/208VAC (L1\/L2\/N required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e66.7A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 Hz (Default) | 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Output Power (without PV)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12,000W @ 240V | 12,000W @ 208V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Output Power (with PV)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16,000W @ 240V | 13,800W @ 208V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.99 (Full Load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReactive Power Adjustment Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-0.8 – 0.8 Leading Adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Harmonic Distortion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;5% (Full Load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransfer Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20ms (Default) | 10ms (Configurable) | 20ms (Parallel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50A @ 240V | 57.7A @ 208V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Output Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120\/240VAC | 120\/208VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Output Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12,000W @ 240VAC | 12,000W @ 208VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20,000W (0.5 sec) | 15,000W (1 sec) | 12,500W (6 min) | 11,000W (12 min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 Hz (Default) | 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTHD (Voltage)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNo. of MPPTs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs per MPPT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 (MPPT 1) | 2 (MPPT 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Usable Input Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e26A (MPPT 1) | 26A (MPPT 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Short Circuit Input Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e31A (MPPT 1) | 31A (MPPT 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Input Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 – 600VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStart-Up Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMPPT Operating Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 – 440VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal MPPT Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e360VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Utilized PV Array Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Recommended PV Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e97.5% (PV to Grid) | 94.5% (PV to Battery) | 94% (Battery to Grid)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIdle Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;65W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Nominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 – 60VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Charge \/ Discharge Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Battery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating \/ Storage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-13°F – 140°F (-25°C – 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Altitude\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;6,561 ft (2000 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 – 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;50dB @ 3 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDesign Topology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Frequency \/ Transformerless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65 \/ NEMA 4X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS485 \/ CANBus \/ WiFi \/ 4G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Parallel Connections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115 lbs (52 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (D × W × H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.2 in × 22.8 in × 30.5 in (287 × 567 × 775 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eWarranty \u0026amp; Downloads\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/05\/EG4-FlexBOSS18-Hybrid-Inverter-Spec-Sheet.pdf\"\u003e\u003cstrong\u003eSpec Sheet\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/05\/EG4-FlexBOSS18-Hybrid-Inverter-User-Manual.pdf\"\u003e\u003cstrong\u003eUser Manual\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/05\/EG4-FlexBOSS18-UL-1741-Certificate-of-Compliance.pdf\"\u003e\u003cstrong\u003e\u003cspan\u003eUL1741 Certificate\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EG4","offers":[{"title":"Default Title","offer_id":51849204990234,"sku":"INV031","price":3499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0775\/1398\/2234\/files\/EG4-FLEXBOSS18-Hybrid-Inverter-13kW-18kPV-Solar-an-0.png?v=1773984606","url":"https:\/\/solarguyspro.com\/products\/eg4-flexboss18-hybrid-inverter-13kw-18kpv-solar-and-battery-inverter","provider":"Solar Guys Pro","version":"1.0","type":"link"}