EG4 48V 314Ah All-Weather LiFePO4 Battery + FlexBOSS18 Inverter

Power your home, workshop, or off-grid setup with a complete solar storage solution built for serious capacity and real-world conditions. The EG4 WallMount 314Ah All-Weather LiFePO4 Battery pairs with the EG4 FlexBOSS18 13kW 48V Split-Phase AC Hybrid Inverter to deliver a fully integrated system ready for whole-home backup, solar-plus-storage, and off-grid applications.

At 16kWh of usable capacity, this system is engineered to keep your essential loads running longer — with the reliability and connectivity expected from a premium energy storage solution.

• 16kWh Usable Capacity (314Ah at 51.2V): Extended runtime and strong backup coverage for whole-home or high-demand applications.
• IP67-Rated Outdoor Enclosure: Purpose-built for exterior wall-mount installs — sealed against dust, water, and harsh weather conditions.
• Built-In Cold-Weather Heaters: Internal heating elements support reliable battery operation in low-temperature environments.
• EG4 Smart BMS with Active Cell Balancing: Helps maintain stable performance and supports long service life across the battery pack.
• Bluetooth + Wi-Fi Connectivity: Monitor system status in real time and receive over-the-air firmware updates through the EG4 app.
• FlexBOSS18 13kW Split-Phase Inverter: Handles heavy loads with 48V AC hybrid architecture suited for grid-tied, off-grid, and backup configurations.
• Simplified System Scaling: Auto-addressing and closed-loop compatibility with EG4 inverters and batteries for straightforward expansion.
• LiFePO4 Chemistry: Lithium iron phosphate cells chosen for thermal stability and long cycle life.

Whether you are building a new solar installation or expanding an existing one, this EG4 bundle brings together capacity, durability, and smart connectivity in a single, cohesive package.