Note: This battery ships via freight truck only. For shipping inquiries, please email sales@vortexsolarsupply.com
The EG4 WallMount All-Weather Battery is a high-performance 48V 280Ah LiFePO4 energy storage solution engineered for durability, safety, and seamless integration. Ideal for both off-grid and hybrid solar systems, it’s built to deliver reliable power in all weather conditions—rain, snow, or shine.
Advanced BMS ensures safe and efficient performance
Built-in self-heating function for cold environments
Dual onboard fire arrestors and emergency stop features
All-Weather Design
IP65-rated for outdoor use
Weather-sealed Amphenol connectors
No need for ventilation or thermal monitoring
Seamless Integration
Compatible with most hybrid/off-grid inverters
Works perfectly with EG4, Victron, Sol-Ark, Growatt, Deye, Luxpower, and more
Onboard LCD touchscreen for real-time system monitoring
Quick-connect cables for easy installation
Certified Safe
UL9540A & UL1973 certified
Optional conduit box for pairing with EG4 18kPV ESS
No regular maintenance required
Tech Specs
Model: WallMount AllWeather Battery
Battery Type: Grade A LiFePO4
Voltage: 48V (Nominal 51.2V, Float 54V)
Capacity: 14.3kWh
Continuous Current: 200A
Weight: 308.6 lbs (140 kg)
BMS Rating: 200A
Key Features
No external charge controllers or transformers needed
Supports up to 18kW of solar panels
Compatible with standard North American home electrical systems
Closed-loop communication with EG4 Lithium batteries
NEMA 4X / IP65 rated for indoor & outdoor installations
Stackable for system expansion
Built-in Wi-Fi for mobile & web-based system monitoring
The Ultimate Hybrid Inverter
Boost your solar ROI with the EG4 18kPV All-In-One Hybrid Solar Inverter—a fully certified, high-capacity inverter that combines power, versatility, and ease of installation. Ideal for any modern solar energy system that demands performance, flexibility, and code compliance.
picked up 3 of these for my parents house. installed them in the garage and they look great. no complaints!
J
Jake Halvorth
Fast Shipping
Ordered it on Monday and had my EG4 battery delivered to my house on Friday. Great responsivness.
S
Sammy Curtis
Reduced power will
Got these for myself to save money on net exporting to the grid. Power bill down over $80 per month. HUGE ROI
C
Christian Gonzales
Light always on!
Installed 2 of these EG4 wallmount batteries on my house 3 months ago and have survived multiple storms without the lights going out! Love it and need to buy more.
M
Merideth Green
great battery!
love the battery, only reason for not being 5 stars is that they are heavy!