Skip to content

EG4 FlexBOSS21 16kw AC Hybrid Inverter | 48V Split Phase | 21kW PV Input

Marsoni M251S
Sale price$1775.00
Pay 4 payments of $443.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
EG4 FlexBOSS21 16kw AC Hybrid Inverter | 48V Split Phase | 21kW PV InputEG4 FlexBOSS21 Hybrid Inverter 48V Split Phase 21kW PV Input Versatile and Powerful Hybrid Inverter 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
Easy Shipping

Quick Dispatch:

Your EG4 FlexBOSS21 16kw AC Hybrid Inverter | 48V Split Phase | 21kW PV Input orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your EG4 FlexBOSS21 16kw AC Hybrid Inverter | 48V Split Phase | 21kW PV Input ships.

Need Help?
Questions about EG4 FlexBOSS21 16kw AC Hybrid Inverter | 48V Split Phase | 21kW PV Input, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for EG4 FlexBOSS21 16kw AC Hybrid Inverter | 48V Split Phase | 21kW PV Input in your area.

Get Shipping Estimates

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 2297 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
L
Verified Purchase
LRL
Massapequa, US
★★★★★ 3
Great Product, But Non-Existent Seller Support
Size: 6 Panel-119"W, Color: Black, Size: 6 Panel-119"W, Color: Black
The Good: Well Designed: Sturdy and aesthetically pleasing. Effective: Perfectly obstructs the afternoon sun glare from my monitor screens. Moderate Assembly: Straightforward and easy for the most part. The Bad: Defective Part: One crossbar end was missing threads, preventing the assembly of the sixth panel. Zero Communication: I emailed the seller as instructed and waited 8 days with no acknowledgment. Return Logistics: Amazon offered a return, but the box is heavy, and disassembly/repackaging would be a major task. Final Verdict I really like this product, but I’m deducting two stars for a total lack of customer service. I’ve decided to buy tools and fix it myself rather than deal with a heavy return. I hope the seller sees this and reaches out. The lesson learned is to check every part of a product before assembly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
A
Verified Purchase
Andrea Jagarnauth
Charlottesville, US
★★★★★ 5
This is definitely a buy
Size: 6 Panel-119"W, Color: Black
Excellent product.Good Quality.Very sturdy .Easy to assemble.Provide privacy and keeps the light out just what I needed.I am happy to recommend this divider .Do not hesitate to buy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 7, 2024
S
Verified Purchase
Shae G
Carnegie, US
★★★★★ 5
Clean Look, Sturdy — can’t ask for more!
Size: 6 Panel-119"W, Color: Grey, Size: 6 Panel-119"W, Color: Grey
Really like how it folds so I can create kind of a doorway with two of these. Pretty easy to assemble and has an uncluttered clean look due to the smooth fabric and nice color. Oh and it’s sturdy enough for pets.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 9, 2024
L
Verified Purchase
Live to read
Los Angeles, US
★★★★★ 5
Pretty good, especially for this price point.
Color: Beige, Size: 21.5"- 1 Panel
This is merely a piece of cloth stretched between the frame borders, but it works perfectly. It arrived quickly, all parts present and in good condition. I didn't put the castors on, as it will be more or less always in one position. I simply attached some felt sliders on the bottom to prevent scratching the floor and to allow clearance for the center screw (which is not flush fit). Overall, a reasonable deal for the price point.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
M
Verified Purchase
melissa mcpherson
Waukegan, US
★★★★★ 5
Easy to manage
Color: Black, Size: 88"- 4 Panel
Sturdy, easy to manage and roll around. The material for the walls is of a decent ply as well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026

recommand products