EG4 FlexBOSS18 All-In-One Hybrid Inverter

The EG4 EG4INVFLXBOSS18V1 FlexBOSS18 is a 13 kW all-in-one hybrid inverter built for residential and light-commercial solar-plus-storage systems. It delivers 120/240 VAC split-phase output from a 48 VDC battery bank, features two MPPT trackers accepting up to 600 VDC and 18 kW of solar STC input, and reaches 97.5% efficiency (pending CEC). With a rugged NEMA 4X enclosure and configurable 10 ms backup switching, it supports both lithium and lead-acid batteries.

Key Features:

• 13 kW hybrid output, 97.5% efficiency (pending CEC)
• 20000W surge for 0.5 sec, 15000W peak 1 sec
• Split-phase 120/240 VAC, 60 Hz (50 Hz capable)
• 2 MPPT trackers, 18 kW max solar STC input
• MPPT range 120-440 VDC, 600 VDC max PV input
• 48 VDC nominal, lithium/lead-acid, 208 A max charge
• 10 ms backup switching, 20 ms transfer time
• NEMA 4X enclosure, -13°F to 140°F operation
• CAN, RS485 and WiFi communication
• UL 1741, IEEE 1547-2018, CSA certified, 10-year warranty

Ideal for grid-tied, backup and off-grid homes and small businesses needing scalable storage, the FlexBOSS18 parallels up to 10 units and integrates with lithium or lead-acid banks via CAN/RS485. Rapid shutdown, AFCI and GFDI support NEC 2020 compliance, with California Phase I-III and Hawaii Rule 14H approval. Order the EG4INVFLXBOSS18V1 from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.