EG4 FlexBOSS21 16kW AC Hybrid Inverter

EG4 FlexBOSS21 16kW AC Hybrid Inverter
$3,600
Price as of Nov 11, 2026. Prices and availability change; check the retailer for the current figure.
Check price at Signature Solar →Affiliate link. We may earn a commission.EG4 FlexBOSS21 16kW Inverter: 48V split-phase, 21kW PV input, 3 MPPTs, GridBOSS compatible, and supports remote monitoring.
Specs
| SKU | 1526018-02 |
|---|---|
| Rated Output Power | 16kW of continuous output power/12kW continuous output by using battery alone |
| Max PV Input | 21kw |
| Paralleling | Parallel up to 10 units for 160 kw of output power |
| Number of MPPTs | 3 |
| Spec Sheet | Download |
| User Manual | Download |
| Certificate of Compliance | Download |
| Spec Sheet URL | https://eg4electronics.com/wp-content/uploads/2024/10/EG4-FlexBoss21-Spec-Sheet.pdf |
| Certifications | UL1741 |
| Max PV Voltage | 600 V |
| MPPT Min Voltage | 120 V |
| MPPT Max Voltage | 440 V |
| Recommended Max PV | 21000 W |
| Max PV Current | 26 A |
| UPS Transfer Time | 20 ms |
| PV Short-Circuit Current | 31 A |
| Continuous Output Power | 16000 W |
| Surge Power | 24000 W for 0.5 s |