EG4 FlexBOSS21 Complete Power System with 2 x EG4 PowerPro WallMount AllWeather Lithium Battery & EG4 PowerPro Conduit Box – 16kW Hybrid Inverter 28.6kWh LiFePO4 for Solar, Home Backup & Off-Grid
Model #: EG4 FlexBOSS21 SKU: EG4-WM48x2-CB2
Product Details
Product Description for EG4 FlexBOSS21 Complete Power System
EG4 FlexBOSS21 Complete Power System with 2 x EG4 PowerPro WallMount AllWeather Lithium Battery & EG4 PowerPro Conduit Box – All-in-One 16kW Hybrid Solution for Solar, Whole-Home Backup & Off-Grid
Revolutionize your energy setup with the EG4 FlexBOSS21 Complete Power System (Model: EG4 FlexBOSS21), a groundbreaking all-in-one hybrid solution integrating a 16kW pure sine wave inverter, 100A MPPT solar charger, 80A AC battery charger, and smart transfer switch. This kit includes the FlexBOSS21 inverter, two 51.2V 280Ah PowerPro WallMount AllWeather LiFePO4 batteries (28.6kWh total), and the PowerPro Conduit Box for seamless integration — delivering 120V/240V split-phase power for whole-home backup, off-grid living, commercial facilities, solar + storage, and RV/outbuilding power. Designed for all-weather outdoor installations with IP65 rating.
Key Features Integrated 16kW Hybrid Inverter with 32kW surge capacity, supporting up to 16 units in parallel for 256kW total output. High-Capacity 28.6kWh PowerPro AllWeather LiFePO4 Battery Bank with 8000+ cycles at 80% DOD and 15+ year design life. PowerPro Conduit Box enables organized wiring and easy installation in outdoor environments. 100A MPPT Solar Charger handles up to 21kW PV input with 120–450V range for flexible array design. Smart Monitoring via Wi-Fi, CAN, RS485 with mobile app for real-time control and alerts. Flexible Battery Options – all-weather PowerPro for outdoor use (WallMount indoor version sold separately). High-Frequency Transformerless Design with <50dB noise and -13°F to 140°F operating range. Expandable for Additional Inverters/Batteries – stack up to 16 for massive scalability. Safe & Certified – UL1973/UL9540A batteries, UL1741 inverter, 10-year standard warranty.
Specifications at a Glance Inverter: 48VDC input, 120/240V AC output • Continuous Power: 16,000W • Surge Power: 32,000W • MPPT Solar Input: 21,000W max (120–450V) • AC Charger: 80A • Efficiency: >95% • Dimensions: 30.43 × 22.28 × 11.22 in • Weight: 88 lbs • Batteries: 51.2V 280Ah x2 (28.6kWh total) • Continuous Discharge: 200A per battery • Max Charge Current: 200A per battery • Cycles: 8000+ at 80% DOD • Dimensions: 23.6 × 16.5 × 5.9 in each • Weight: 282.2 lbs each • Conduit Box: Dimensions 31.5 × 19.7 × 7 in • Weight: 55 lbs • Certifications: UL1973/UL9540A (battery), UL1741 (inverter) • Warranty: 10 years
Pair this system with additional EG4 batteries or solar arrays for limitless expansion. Whether securing your home against outages, powering an off-grid cabin, or upgrading RV solar, the EG4 FlexBOSS21 delivers commercial-grade reliability in a flexible package. Order now — stocked and ready to ship from lithiumion-batteries.com!
(For full technical details, download the datasheet or manual linked on the product page.)