{"product_id":"inv027","title":"Big Battery EG4 FlexBOSS21 12kW (21kPV) Hybrid Inverter","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe latest development from the EG4 team, the FlexBOSS21 is a cutting-edge, split-phase hybrid inverter designed to be the keystone of any residential or commercial power system. With an incredible 21kW PV input capacity and an array of advanced features, the FlexBOSS21 provides reliable performance day in and day out, in both on-grid and off-grid settings.\u003cbr\u003eThe FlexBOSS21 is one of the highest capacity inverters on the market today, featuring 3 MPPTs supporting up to 5 strings, providing superior flexibility for multi-orientation solar arrays, and the ability to handle 90A of grid feed-through at 120\/240VAC, ensuring robust grid-tied capabilities. Plus, the FlexBOSS21 seamlessly integrates with EG4’s GridBOSS MID power gateway for a cost-effective, streamlined setup, helping to reduce installation time and system startup costs, and when you pair these two units together in your system, you’re able to utilize the smart load management, AC coupling, and generator support features if needed.\u003cbr\u003eBut that’s not all. EG4 understands the value of enhanced safety and visibility when it comes to your power, and the FlexBOSS21 spares no expense, coming equipped with responsive rapid shutdown, ground fault monitoring, and arc fault protection, all backed by industry-leading safety certifications, and with EG4’s updated monitoring software, you get access to remote management, mobile notifications, and convenient Wi-Fi connectivity for your system.\u003cbr\u003eCombining efficiency, scalability, and cutting-edge technology, the FlexBOSS21 is a top-tier solution, with a safety-first design, for those seeking a reliable, powerful inverter to anchor their energy system. Whether for residential or commercial applications, its advanced features and versatile design provide unmatched value and peace of mind. Elevate your energy independence and power your future with the EG4 FlexBOSS21 Hybrid Inverter today!\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eFeatures\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e3 MPPT Inputs\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eRemote Monitoring\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eSmart Load Control\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eAC Coupling Function\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eIntegrated UPS Module\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eBuilt-In Circuit Breakers\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eSeamless Switching In Under 20ms\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eHigh-Frequency Split-Phase Output\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eAdvanced Parallelability up to 192kW\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eSeamless Integration With GridBOSS MID\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eSuitable For\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e48V Battery Systems\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eResidential Solar Systems\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eAC Coupled UPS Systems\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOff-Grid Backup Systems\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eEmergency Power Systems\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eCommercial ESS\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eAC INPUT\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eAC Voltage:\u003cbr\u003e120V AC \/ 240V AC\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eAC Frequency:\u003cbr\u003e60 Hz \/ 50 Hz\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. Continuous AC Current:\u003cbr\u003e50A @ 240V AC\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. AC Input Power:\u003cbr\u003e12000W\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. AC Bypass:\u003cbr\u003e90A\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eAC GRID OUTPUT\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOperating Voltage Range:\u003cbr\u003e180 - 270V AC\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOutput Voltage:\u003cbr\u003e120V AC \/ 240V AC\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. Continuous Output Current:\u003cbr\u003e66.7A\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOutput Frequency:\u003cbr\u003e60 Hz \/ 50 Hz\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOutput Power (without PV):\u003cbr\u003e12000W @ 240V\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOutput Power (with PV):\u003cbr\u003e16000W @ 240V\u003cbr\u003e\u003cbr\u003e\u003cbr\u003ePower Factor:\u003cbr\u003e0.99 (Full Load)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eReactive Power Adjustment Range:\u003cbr\u003e-0.8 ~ 0.8 Leading Adjustable\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eTotal Harmonic Distortion:\u003cbr\u003e\u0026lt;5% (Full Load)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eTransfer Time:\u003cbr\u003e10 - 20 ms (Single) \/ 20 ms (Parallel)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eAC BACKUP \/ UPS OUTPUT\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. Continuous Output Current:\u003cbr\u003e50A\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOutput Voltage:\u003cbr\u003e120V AC \/ 240V AC\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOutput Power:\u003cbr\u003e12000W @ 240V AC\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. Output Power:\u003cbr\u003e24000W (0.5 sec) \/ 18000W (1 sec)15000W (6 min) \/ 13200W (12 min)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOperating Frequency:\u003cbr\u003e60 Hz \/ 50 Hz\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eTotal Harmonic Distortion Voltage:\u003cbr\u003e\u0026lt;5%\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eTransfer Time:\u003cbr\u003e10 - 20 ms (Single) \/ 20 ms (Parallel)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003ePV INPUT\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eNo. of MPPTs:\u003cbr\u003e3\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eInputs per MPPT:\u003cbr\u003e2 (MPPT 1 \u0026amp; 2) \/ 1 (MPPT 3)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. Input Current:\u003cbr\u003e26A (MPPT 1 \u0026amp; 2) \/ 15A (MPPT 3)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. Short Circuit Input Current:\u003cbr\u003e31A (MPPT 1 \u0026amp; 2) \/ 19A (MPPT 3)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eDC Input Voltage Range:\u003cbr\u003e100 - 600V DC\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eStart Up Voltage:\u003cbr\u003e100V DC\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMPPT Operating Voltage Range:\u003cbr\u003e120 - 440V DC\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMPPT Voltage:\u003cbr\u003e360V DC\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. Utilized PV Array Power:\u003cbr\u003e21000W\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. PV Input:\u003cbr\u003e25000W\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. Efficiency:\u003cbr\u003e94 - 97%\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eIdle Consumption:\u003cbr\u003e\u0026lt;80W (Normal) \/ \u0026lt;60W (Standby Mode)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eBATTERY\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eNominal Voltage:\u003cbr\u003e48V DC\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eVoltage Range:\u003cbr\u003e40 - 60V DC\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. Charge \/ Discharge Power:\u003cbr\u003e12000W\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eRecc. Battery Capacity per Inverter:\u003cbr\u003e\u0026gt;300 Ah\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOPERATING ENVIRONMENT\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOperating \/ Storage Temperature Range:\u003cbr\u003e-13ºF - 140ºF (-25ºC - 60ºC)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eAltitude:\u003cbr\u003e\u0026lt;6,561 ft (2000 m)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eRelative Humidity:\u003cbr\u003e0 - 100%\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eTypical Noise Emission:\u003cbr\u003e\u0026lt;50 dB @ 3 ft\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eProtection Rating:\u003cbr\u003eIP65 \/ NEMA 4X\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eCommunications:\u003cbr\u003eRS485 \/ CANBus \/ WiFi\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eMax. Parallel Connections:\u003cbr\u003e16\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eDIMENSIONS\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eWeight:\u003cbr\u003e88 lbs (40 kg)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eDepth:\u003cbr\u003e11.3 in (287 mm)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eWidth:\u003cbr\u003e22.3 in (567 mm)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eHeight:\u003cbr\u003e30.5 in (775 mm)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003cbr\u003eSpec SheetUser ManualUL1741 Certificate\u003c\/p\u003e","brand":"BigBattery","offers":[{"title":"Default Title","offer_id":67439597289776,"sku":"INV027","price":4496.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/6533\/2016\/files\/123c3b_f285dfc951ff4d26b265184154e7a27b_mv2.png?v=1785760541","url":"https:\/\/golfcartgeeks.com\/products\/inv027","provider":"Golf Cart","version":"1.0","type":"link"}