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EG4 FlexBOSS21 All-in-One Hybrid Solar Inverter
The EG4 FlexBOSS21 hybrid solar inverter is a flexible 48V split-phase inverter/charger that delivers the reliable power of the 18kPV with added adaptability. It is powerful enough to start a 5-ton AC unit and supports 21kW of PV input. With the ability to parallel up to 10 units, the FlexBOSS21 achieves an impressive total continuous output of 160kW using PV input. Equipped with three MPPTs, it provides optimal solar management, while the enhanced EG4 monitoring software offers complete remote control, including mobile alerts and remote settings adjustments. Its integration with GridBOSS ensures comprehensive management of the entire Energy Storage System (ESS).
EG4 GridBOSS Micro-Grid Interconnection Device (MID)
The EG4 GridBOSS MID streamlines your Energy Storage System (ESS) by combining up to 10 components into one robust unit. It is designed for seamless integration with utilities, generators, inverters, and loads, providing centralized control, straightforward installation, and real-time remote monitoring.
Kit Type: Residential
Off Grid Applications: Standard Home System (Off-Grid Homes, Cabins, Homesteads)
Hybrid Applications: Standard Home System (3-4 Bedrooms)
The EG4 FlexBOSS21 is a versatile 48V split-phase, hybrid inverter/charger that offers the same dependable power as the 18kPV with enhanced flexibility. Powerful enough to start a 5-ton AC unit, the FlexBOSS21 supports 21kW of PV input. Capable of paralleling up to 10 units together, the FlexBOSS21 has an impressive total output of 160kW. Three MPPTs give users optimal control over their solar needs, while the updated EG4 monitoring software allows for convenient total remote management, complete with mobile notifications and remote setting. Seamless interaction with GridBOSS gives users control over their entire Energy Storage System (ESS).
Features:
The EG4 GridBOSS MID simplifies your Energy Storage System (ESS) by consolidating up to 10 components into a single, powerful unit. Designed to seamlessly connect utilities, generators, inverters, and loads, it offers centralized control, easy installation, and real-time remote monitoring.
Features:
Everything you need is included with your product.
| Specification | Details |
| Compatible Battery Types | Lead-acid/ Lithium |
| Max. Charge/Discharge Power | 12000W |
| Nominal Voltage | 48VDC |
| Voltage Range | 40 – 60 VDC |
| Recommended Battery Capacity Per Inverter | >300Ah |
| Max Units in Parallel | 16 |
| Product Dimensions (HxWxD) | 30.43 × 22.28 × 11.22 in. (750 × 520 × 285 mm) |
| Unit Weight | 88 lbs. (52 kg) |
| Design Topology | High Frequency – Transformerless |
| Relative Humidity | 0 – 100% |
| Operating Altitude | <6561 ft (<2000 m) |
| Operating Ambient Temperature Range | -13° – 140°F (-25° – 60°C) |
| Storage Ambient Temperature Range | -13° – 140°F (-25° – 60°C) |
| Noise Emission (Typical) | <50dB @ 3 ft |
| Communication Interface | RS485/Wi-Fi/CAN |
| Standard Warranty | 10-year standard warranty* |
| Outdoor Rating | NEMA 4X |
| Specification | Details |
| Communication Interface | RS485/Wi-Fi/CAN |
| Internal Bus Rating | 350A |
| Internal Fuse Rating | 315A |
| Operating Altitude | <6561 ft (<2000 m) |
| Relative Humidity | 0 – 100% |
| Outdoor Rating | NEMA 3R |
| Operating Ambient Temperature Range | -40°F – 140°F (-40°C – 60°C) |
| Product Dimensions (HxWxD) | 31.5×19.7×7 in (800×500×178 mm) |
| Unit Weight | 55 lbs. (25 kg) |
| Standard Warranty | 10-year standard warranty |
Can the EG4 FlexBOSS21 operate both off-grid and grid-tied?
Yes! The FlexBOSS21 is a hybrid inverter, allowing full off-grid independence or grid-tied operation with battery backup for enhanced energy flexibility.
What is the function of the EG4 GridBoss system?
The GridBoss intelligently manages loads by prioritizing solar and battery power before utilizing grid energy, optimizing efficiency and cost savings.
Can I expand my system for more power?
Yes! The FlexBOSS21 supports parallel operation, allowing users to stack multiple units for greater energy needs.
Does it support remote monitoring?
Absolutely! The Wi-Fi and RS485 connectivity allow real-time monitoring and control via the EG4 app.
