EG4 | WallMount All Weather Lithium Battery | 48V 280Ah | 14.3kWh

Overview

Rated for outdoor installation in any climate, this EG4 WallMount battery stores 14.3kWh at 48V and 280Ah. Its IP65 enclosure and weather-rated quick connectors suit homes and commercial sites alike.

Planning a system? Read our guide: How to size a battery backup system for your home.

Key benefits

• Integrated self-heating maintains performance in freezing temperatures.
• Quick-connect battery cables speed up installation.
• Pairs with inverter brands including EG4, Sol-Ark, Victron, and Growatt.
• Built-in LCD touchscreen for local monitoring.

Key features

• LiFePO4 chemistry, 48V nominal, 280Ah, 14.3kWh
• IP65 outdoor-rated enclosure
• Smart BMS monitoring voltage and temperature
• Dual fire arrestors
• Emergency stop via RSD, ESS disconnect, or inverter RSD
• UL9540A, UL1973, and UL9540 (with EG4 18kPV)

Ideal use

For residential homes, off-grid cabins, and commercial storage exposed to changing weather or cold climates.

Key specifications

Model / SKU

1511075

Brand

EG4

Category

Batteries

Voltage

48V

Energy capacity

14.3 kWh

From the manufacturer

EG4 WallMount AllWeather Lithium Battery | 48V 280Ah | 14.3kWh LiFePO4 | AllWeather Energy Storage The EG4 14.3kWh AllWeather WallMount Battery is a high-capacity energy storage solution designed for outdoor reliability and seamless system integration. Built with an allweather IP65-rated enclosure and quick-connect battery cables, it’s ideal for residential or commercial installations in any climate. Its smart Battery Management System continuously monitors performance to maximize safety and efficiency, while integrated self-heating ensures dependable operation even in freezing temperatures. Dual onboard fire arrestors and an emergency stop function offer added protection and peace of mind. This battery pairs effortlessly with top inverter brands like EG4, Sol-Ark, Victron, and Growatt, and includes a built-in LCD touchscreen for easy monitoring. Certified to meet UL9540A, UL1973, and UL9540 standards, and backed by a 10-year warranty, this battery delivers long-term power you can count on. Key Benefits: Smart Battery Management System: Actively monitors voltage, temperature, and performance to ensure safe, efficient, and reliable operation. Quick-Connect Battery Cables: Simplify installation with fast, secure, and weather-rated connections Integrated Self-Heating: Automatically warms the battery in low temperatures to maintain optimal performance in cold climates. AllWeather Design: IP65-rated enclosure and weather-rated quick connectors allow for safe outdoor installation in various environments. Dual Fire Arrestors: Provide added safety by preventing thermal runaway and containing potential fire risks. Emergency Stop Function: Enables complete system shutdown via RSD, ESS disconnect, or inverter RSD for fast response in critical situations. Certified for Safety: UL9540A tested, UL1973 certified, and UL9540 listed with EG4 18kPV for trusted compliance and performance. Use Cases: Perfect for residential homes, off-grid cabins, and commercial energy storage systems where reliable, outdoor-rated backup power is essential. Ideal for installations exposed to varying weather conditions or colder climates. Tech Specs: Battery Type: LiFePO4 (Lithium Iron Phosphate) Nominal Voltage: 48V Capacity: 280Ah Energy Storage: 14.3kWh Enclosure Rating: IP65 (Outdoor Rated) Certifications: UL9540A, UL1973, UL9540 (with EG4 18kPV)

Warranty terms mentioned in this description are the manufacturer’s. Our own coverage is the 30-day limited warranty.

Before you order

We confirm compatibility, installation requirements, and delivery details with you during order review, before any payment. Home electrical work may require a qualified installer.

Contact our team with questions about installing the 280Ah AllWeather battery outdoors. Message our team on WhatsApp.