EG4® FlexBOSS18 Inverter

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The EG4® FlexBOSS18 is a powerful and cost-effective hybrid inverter. With 13kW continuous output, up to 18kW solar input utilization, and 10kW battery-only output, it delivers exceptional performance for a wide range of solar applications. The FlexBOSS18 is also EMP-hardened, ensuring reliable performance during Electromagnetic Pulse (EMP) events.Built for versatility, the FlexBOSS18 seamlessly integrates with Briggs & Stratton® SimpliPHI® 6.6 Battery System, including optimal pairing with EG4 GridBOSS system.

To learn more, download the spec sheet and user manual.

Features

Cost-effective Entry into Hybrid Solar 

Affordable solution for users seeking to enter the hybrid solar market without compromising on performance.

Comprehensive Certification Package

Ensures reliability and safety with certifications for diverse installation needs. 

Flexible Installation Options 

Offers versatility in setup, making it suitable for both residential and commercial applications.

Enhanced Power Output 

Delivers superior performance, providing more power for higher energy demands.

Complete System Compatibility 

Easily integrates with Briggs & Stratton 6.6 Battery System and pairs perfectly with GridBOSS systems for a seamless solar energy solution. 

EMP-Hardened

Ensures reliable operation during Electromagnetic Pulse (EMP) events.

Specifications

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Model Number
FlexBOSS18
Battery Input Voltage
48V
Rapid Shutdown Capable
YES
Maximum Paired Solar (DC Input)
21000W
Integrated MPPT Charge Controllers
2
Maximum Continuous Power
10000W Battery Only / 13000W PV+Bat
Maximum Output Power
20000W
Instantaneous Power (100ms)
20000W
Surge Power (5s)
13500W
Parallel Stacking
10
Warranty Period
10 years
Battery Compatibility
Briggs & Stratton® SimpliPHI® 6.6
Certifications
UL1741, SA, SB, PCS CRD California Rule 21 Phase I, II, III CSA 22.2.107.1:2016 Ed. 4 CSA 22.2.330:2017 Ed. 1 IEEE 1547.1:2020; IEEE 1547:2018 Hawaii Rule 14H [HECO SRD IEEE 1547.1-2020 Ed.2
Dimensions (W x H x D)
30.43 x 22.8 x 11.2 in. (773 x 579 x 285 mm)
Weight
115 lbs. (52 kg)

1See operator’s manual or energy.briggsandstratton.com for complete warranty details.
All specifications listed are typical/nominal and subject to change without notice.
EG4 is a registered trademark of EG4 Electronics.