EG4
EG4 FlexBOSS21 Inverter & EG4-GridBOSS MID V3.1 [BNDL-E0019-3.1]
DK-BNDL-E0019-3.1
Part of EG4 FlexBOSS21 Inverter & EG4-GridBOSS MID V3.1 [BNDL-E0019-3.1]
$5,469.98 eachReg. $6,268.99
In stock
Distributor pricing and stock: call 678-467-5515 or email sales@discountkings.net.
About this product
Use Cases
Ideal for homeowners seeking energy independence, lower electricity bills, and reliable backup power for larger appliances and critical household systems.
Please Note: Lifetime Customer Support is based in Texas and available via phone and email. We strongly recommend using a certified solar installer and/or master electrician for professional installation. Please note that additional components may be required for your installation.
EG4 FlexBOSS21 First Look - This Inverter Saves You Thousands!
Meet the EG4 FlexBOSS21 – the next-level hybrid inverter that’s bigger, more powerful, and more affordable than the EG4 18kPV. With 16kW continuous output, 21kW PV input, and seamless integration with the EG4 GridBOSS, this inverter is built for serious solar setups. But is it right for you? We take a first look at it to break down its features, what we like, and what you need to know before buying.
- Revolutionize Your Solar Setup with FlexBOSS21 & GridBOSS! Power larger loads, maximize solar production, and simplify whole-home energy management with this advanced EG4 hybrid energy storage solution. Combining the powerful EG4 FlexBOSS21 hybrid inverter…
- Tech Specs
- Kit Contents
- Downloads
- Simplified Installation: The GridBOSS MID consolidates multiple system components into one intelligent interconnect device, helping reduce installation complexity, labor time, and equipment costs.
- High-Powered Hybrid Performance: The FlexBOSS21 delivers up to 21kW of PV input and is powerful enough to start demanding loads like a 5-ton air conditioning unit, making it ideal for larger homes and energy-intensive applications.
- Advanced Smart Load Control: Four configurable smart ports and programmable load management features allow installers and homeowners to prioritize energy usage efficiently.
- Remote Monitoring & Smart Connectivity: Built-in Wi-Fi connectivity and EG4 monitoring software provide convenient remote management, system monitoring, mobile notifications, and remote setting adjustments.
- EG4 FlexBOSS21 Hybrid Inverter Spec Sheet
- EG4 FlexBOSS21 Hybrid Inverter User Manual
- EG4 GridBOSS MID Spec Sheet
- EG4 GridBOSS MID User Manual
Documents & manuals
Specifications
| Product type | Solar kit / bundle |
|---|
| EG4 GridBOSS v3.1 | EG4 FlexBOSS21 |
|---|---|
| Maximum Grid Current: 200A | Max Continuous Output: 16,000W |
| Number of Connections: 3 Hybrid Inverters | Solar Array Power Input: 21kW |
| Transfer Time: ~25ms | Total Harmonic Distortion: 5% |
| Weather Rating: NEMA 3R | Enclosure Rating: NEMA 4X |

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