EG4 LL Battery: Your Energy, Elevated and Efficient
EG4 LL Lithium Battery 12V 400AH (Server Rack Battery w/ LCD) delivers reliable, high-capacity power with 5120Wh of energy storage, perfect for home or backup systems. Its built-in LCD screen provides real-time data monitoring, while advanced lithium iron phosphate (LiFePO4) technology ensures longer lifespan, higher safety, and faster charging compared to traditional batteries.
Power your home or business with confidence using the EG4 LL 12V 400Ah Lithium Iron Phosphate Battery - EG4-LL-S12-400. Get yours today and experience smart, stable, and long-lasting energy you can count on.
Features
- Tier One A+ Cell Composition
- 99% Efficiency LiFePO4 16-Cell Pack
- Maximum Energy Density
- Flexible Racking Options
- Environmentally Friendly and Lead-Free
- Stress-Free Battery Bank Expansion Capacity
- Longer Lasting 10 to 20-Year Design Life
- Reliable Built-In BMS with Voltage, Current, Temperature, and Health Management

Specifications
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Voltage: 12.8V
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Capacity: 400Ah
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Dimensions: 6.1 in×19 in×20.2 in (15.5 cm×48.2 cm×51.3 cm)
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Weight: 98.1 lbs. (44.5 kg)
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Design Life: 7000 Deep Cycles
Applications
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Home Backup Power: Keeps your household running smoothly during outages with reliable energy storage.
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Solar Energy Systems: Perfect for storing solar power and maximizing your off-grid efficiency.
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RV and Camper Use: Powers all your travel essentials for long adventures without worry.
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Server and Data Centers: Ensures uninterrupted operation for critical systems and equipment.
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Marine Applications: Delivers dependable power for boats and marine electronics.
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Emergency Power Supply: Provides instant, stable backup when you need it most.
Product Documents
