EG4 Electronics FlexBOSS21: Specs & Datasheet
MPN: FlexBOSS21The EG4 Electronics FlexBOSS21 is listed under hybrid inverters in the EG4 Electronics catalog at Portlandia Electric Supply. Contractors and buyers searching “FlexBOSS21” for specifications or the datasheet land here: below are the published specifications we have on file for this exact part number, plus compatibility and sourcing notes.
Specifications
| Manufacturer | EG4 Electronics |
|---|---|
| MPN | FlexBOSS21 |
| Model Name | EG4® FlexBOSS21 |
| Inverter Type | All-in-One Hybrid | Transformerless Split-Phase Sine Wave |
| AC Output (On-Grid with PV @ 240V) | 16kW Continuous (66.7A @ 240V) |
| AC Output (On-Grid with PV @ 208V) | 13.8kW Continuous |
| AC Output (Battery Only) | 12kW Continuous (12,000VA) |
| Nominal AC Output Current | 50A |
| AC Voltage Options | 120/240Vac | 120/208Vac | 240Vac Split-Phase |
| Max PV Input Power (Usable) | 21kW Usable / 24kW Max Input |
| Number of MPPTs | 3 MPPTs | Rated 26A / 26A / 15A |
| Max PV Strings | 5 Strings (supports 3 orientations) |
| Battery Nominal Voltage | 48 VDC |
| Battery Communication | CAN / RS485 (Lithium & Lead-Acid Compatible) |
| Grid Feed-Through / Pass-Through | 90A @ 120/240Vac |
| Scalable Service Range | 50A – 160A (Equivalent to Full 200A Service) |
| Parallel Stacking | Up to 10 Units |
| GridBOSS Compatibility | Yes — EG4 GridBOSS MID Power Gateway |
Compatible With / Used In
- Inverters applications — manufacturer-listed product category for this part number
- Exact part-number replacements — this page covers MPN FlexBOSS21 only — confirm the full part number on your unit, quote, or datasheet before ordering
- Contractor and installer sourcing — quantity pricing and nationwide shipping from Portlandia Electric Supply — call (502) 790-0600
Datasheet Availability
EG4 Electronics publishes datasheets and installation documents through its official website. For the FlexBOSS21 datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.
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Frequently Asked Questions
What are the specs of the EG4 Electronics FlexBOSS21?
Key published specs — Model Name: EG4® FlexBOSS21; Inverter Type: All-in-One Hybrid | Transformerless Split-Phase Sine Wave; AC Output (On-Grid with PV @ 240V): 16kW Continuous (66.7A @ 240V); AC Output (On-Grid with PV @ 208V): 13.8kW Continuous. The full specification table above lists every value we have on file; values marked “vendor listing” are from our supplier feed and pending manufacturer verification.
Where can I get the FlexBOSS21 datasheet?
EG4 Electronics publishes datasheets and installation documents through its official website. For the FlexBOSS21 datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.
Is the EG4 Electronics FlexBOSS21 in stock?
Yes — in stock at Portlandia Electric Supply with nationwide shipping. Call (502) 790-0600 for pricing and lead time.
How do I make sure the FlexBOSS21 is the right part?
Match the full part number FlexBOSS21 exactly against your unit, quote, or existing datasheet — part-number families differ in ratings. Call (502) 790-0600 and our team will verify it before you order.
Specifications sourced from the manufacturer listing data maintained by Portlandia Electric Supply. Where a value is not published, it is marked as such — we do not estimate specifications. Questions: call (502) 790-0600. Portlandia Electric Supply, Louisville, KY — 12+ US distribution hubs.