Introducing the high-performance EG4 ESS WallMount-FLEXBOSS18, a compact yet powerful energy storage system designed to deliver reliable backup and solar energy integration for homes and small businesses. With a sleek wall-mounted design, advanced safety features, and UL certifications, this 14.3kWh kit is your gateway to long-term energy savings and greater energy independence.

At the heart of this system is the 48V 14.3kWh EG4 WallMount Indoor Battery, built with the safest LiFePO4 chemistry and rated for over 8,000 cycles at 80% depth of discharge—offering a total of 82.6MWh of lifetime energy production. Housed in a durable IP20-rated enclosure, the battery includes a smart BMS that actively monitors voltage, current, and temperature in real time, ensuring safe, optimized operation. It also features passive cell balancing, an automatic self-heating function for colder climates, and dual internal fire extinguishers. For added safety, an emergency stop function allows you to shut down the entire system instantly in case of emergency. An LCD touchscreen display is conveniently located on the side of the unit, giving you real-time insights into your energy usage and battery performance.

Powering the system is the EG4 FLEXBOSS18 hybrid inverter, capable of delivering 13kVA of output power and handling PV arrays of up to 18,000W through its 3 MPPT channels. The inverter includes an integrated UPS module for seamless on/off-grid transitions, as well as an Automatic Transfer Switch (ATS), backup mode, and peak shaving to reduce demand charges and improve energy efficiency. Whether you’re powering through outages or maximizing your solar investment, this inverter delivers smooth, intelligent energy management.

Certified under UL9540, UL9540A, and UL1973 standards, and backed by a 12-year warranty on the battery, the EG4 ESS WallMount-FLEXBOSS18 14.3kWh 13kVA kit is a compact, reliable, and future-ready solution for those looking to take control of their energy needs with confidence.