EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input
The EG4 FlexBOSS18 Hybrid Inverter delivers professional-grade performance at an accessible price point, making it the ideal choice for both installers and DIY enthusiasts looking for a cost-effective hybrid solar solution. Designed to maximize efficiency and savings, this inverter offers 13kW continuous output (with PV), 18kW maximum solar input, and 10kW battery-only output capability. Whether you're aiming to reduce reliance on the grid or build a powerful off-grid system, the FlexBOSS18 provides the perfect balance of affordability, performance, and versatility.
FEATURES:
- High Power Output: 13kW continuous output with PV, 18kW solar input, and 10kW battery-only output.
- Versatile Compatibility: Works flawlessly with EG4 batteries and pairs seamlessly with the EG4 GridBOSS MID for enhanced functionality.
- Certified & Compliant: UL1741 certification for safety and reliability.
- Cost-Effective Hybrid Solution: Affordable entry into hybrid solar with professional-grade capabilities.
- Flexible Installation: Designed for easy integration into both residential and commercial setups.
Seamless Integration with EG4 GridBOSS MID
The FlexBOSS18 pairs perfectly with the EG4 GridBOSS MID, optimizing energy management and grid interaction. This integration reduces installation costs, simplifies the setup, and eliminates the need for additional breakers, transfer switches, and more, all within one compact solution. It also enables time-of-use optimization, load shifting, and backup power prioritization, giving you enhanced control over your energy use. By combining the FlexBOSS18 with the EG4 GridBOSS MID, users can maximize energy efficiency, reduce dependency on the grid, and take full control of their solar energy system.
Why Choose the EG4 FlexBOSS18?
The FlexBOSS18 offers higher power output, increased PV capacity, and enhanced hybrid capabilities at an accessible price point. Its UL1741 certifications ensure compliance with strict industry regulations, making it a reliable and future-proof investment for both grid-tied and off-grid applications.
Elevate Your Energy System
Discover the power, flexibility, and affordability of the EG4 FlexBOSS18 Hybrid Inverter. Whether you’re upgrading an existing system or starting from scratch, the FlexBOSS18 delivers the performance and reliability needed to take control of your energy future.
SPECIFICATIONS:
AC INPUT
| Nominal AC Voltage: |
120/240VAC | 120/208VAC (L1/L2/N required) |
| Frequency: |
60 Hz (Default) | 50 Hz |
| Max. AC Current: |
54A @ 240V | 54A @ 208V |
| Max. AC Input Power: |
13000W |
| Max. AC Bypass: |
90A |
AC GRID OUTPUT
| Operating Voltage Range: |
180 – 270VAC |
| Output Voltage: |
120/240VAC | 120/208VAC (L1/L2/N required) |
| Max. Output Current: |
66.7A |
| Output Frequency: |
60 Hz (Default) | 50 Hz |
| Nominal Output Power (without PV): |
12000W @ 240V | 12000W @ 208V |
| Nominal Output Power (with PV): |
16000W @ 240V | 13800kW @ 208V |
| Power Factor: |
0.99 (Full Load) |
| Reactive Power Adjustment Range: |
-0.8 – 0.8 Leading Adjustable |
| Total Harmonic Distortion: |
<5% (Full Load) |
| Transfer Time: |
20ms (Default) | 10ms (Configurable) | 20ms (Parallel) |
AC BACKUP / UPS OUTPUT
| Rated Output Current: |
50A @ 240V | 57.7A @ 208V |
| Nominal Output Voltage: |
120/240VAC | 120/208VAC |
| Rated Output Power: |
12000W @ 240VAC | 12000W @ 208VAC |
| Peak Power: |
20000W (0.5 sec) | 15000W (1 sec)
12500W (6 min) | 11000W (12 min) |
| Operating Frequency: |
60 Hz (Default) | 50 Hz |
| Total Harmonic Distortion Voltage: |
<5% |
| Transfer Time: |
20ms (Default) | 10ms (Configurable) | 20ms (Parallel) |
PV INPUT
| No. of MPPTs: |
2 |
| Inputs per MPPT: |
2 (MPPT 1) | 2 (MPPT 2) |
| Max. Usable Input Current: |
26A (MPPT 1) | 26A (MPPT 2) |
| Max. Short Circuit Input Current: |
31A (MPPT 1) | 31A (MPPT 2) |
| DC Input Voltage Range: |
100 – 600VDC |
| Unit Start-Up Voltage: |
200VDC |
| MPPT Operating Voltage Range: |
120 – 440VDC |
| Nominal MPPT Voltage: |
360VDC |
| Max. Utilized PV Array Power:18 |
18000W |
| Max. Recommended PV Input: |
18000W |
| Max. Efficiency: |
97.5% (PV to Grid) | 94.5% (PV to Battery) | 94% (Battery to Grid) |
| Idle Consumption: |
<65W |
BATTERY
| Nominal Voltage: |
48VDC |
| Voltage Range: |
40 – 60VDC |
| Max. Charge / Discharge Power: |
10000W |
| Recommended Battery Capacity per Inverter: |
>300Ah |
OPERATING ENVIRONMENT
| Operating / Storage Temperature Range: |
-13ºF – 140ºF (-25ºC – 60ºC) |
| Operating Altitude: |
<6,561 ft (2000 m) |
| Relative Humidity: |
0 – 100% |
| Typical Noise Emission: |
<50dB @ 3 ft |
| Design Topology: |
High-Frequency / Transformerless |
| Protection Rating: |
IP65 / NEMA 4X |
| Communications: |
RS485 / CANBus / WiFi / 4G |
| Max. Parallel Connections: |
10 |
DIMENSIONS
| Weight: |
115 lbs (52 kg) |
| Depth: |
11.2 in (287 mm) |
| Width: |
22.8 in (567 mm) |
| Height: |
30.5 in (775 mm) |
GUIDE:
