EG4 | AllWeather WallMount Battery | 48V 314Ah | 16kWh

Overview

Outdoor installations call for a battery that can handle weather. The EG4 AllWeather WallMount stores 16kWh (314Ah) in an IP67-rated enclosure built with lithium iron phosphate cells.

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

Key benefits

• IP67 enclosure protects against dust, water, and harsh weather.
• Built-in internal heaters keep it working in colder climates.
• Tested for over 10,000 cycles at 80% DoD.
• Auto-addressing simplifies setup with EG4 batteries and inverters in closed-loop communication.

Key features

• 51.2V nominal voltage, 16kWh, 314Ah
• Smart BMS with active cell balancing
• Bluetooth and Wi-Fi with over-the-air firmware updates in the EG4 app
• Up to 32 batteries in parallel (closed-loop)
• UL 1973; UL 9540 with FlexBOSS21 and FlexBOSS18
• 34.6 x 21.7 x 9.3 in, 309 lbs

Ideal use

Suited to residential and light commercial solar-plus-storage systems, off-grid setups, and outdoor battery locations.

Key specifications

Model / SKU

1510983

Brand

EG4

Category

Batteries

Voltage

48V

Energy capacity

16 kWh

Rated power

9,540 W

From the manufacturer

Smarter Energy Storage. Bigger Capacity. Built for Outdoors. The EG4 WallMount 314Ah AllWeather Battery delivers powerful, dependable energy storage designed to perform in demanding environments. With a large 16kWh capacity and a durable, weather-resistant enclosure, this battery is ideal for outdoor installations, system expansions. Built with advanced lithium iron phosphate cells and EG4’s smart battery management system, it offers long-term reliability, easy monitoring, and dependable performance year-round. Key Benefits High-Capacity Energy Storage: Provides 16kWh of usable energy (314Ah) for extended runtime and reliable backup power. Built for Outdoor Use: IP67-rated enclosure protects against dust, water, and harsh weather conditions. Smarter Battery Management: Integrated EG4 smart BMS includes active cell balancing for improved efficiency and longer battery life. Easy Monitoring & Updates: Bluetooth and Wi-Fi connectivity allow real-time monitoring and over-the-air firmware updates through the EG4 app. Cold-Weather Ready: Built-in internal heaters ensure reliable operation in colder climates. Installer-Friendly Setup: Auto-addressing simplifies installation when paired with EG4 batteries and inverters in closed-loop communication. Use Cases Ideal for residential and light commercial solar-plus-storage systems, outdoor battery installations, off-grid setups, and backup power applications where durability, capacity, and easy expansion are required. Tech Specs Nominal Voltage: 51.2V Energy Capacity: 16kWh Charge Capacity: 314Ah Parallel Support: Up to 32 batteries (closed-loop) Certifications: UL 1973, UL 9540 W/ Flexboss21 & Flexboss18 Design Life: Tested for over 10,000 cycles at 80% DoD Dimensions: 34.6" × 21.7" × 9.3" Weight: 309 lbs

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 to confirm this AllWeather battery works with your inverter. Message our team on WhatsApp.