EG4-LL Lithium Battery (V2) | 12V 400AH | Server Rack Battery - ShopSolar.com

EG4-LL 12V Lithium Rack Battery (V2) | 400Ah | 5.12kWh | 7000+ Cycles | Bluetooth + BMS Monitoring

$1,599.95

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Product Description:

Heavy-duty storage for serious 12V systems—now smarter, safer, and built to last.
The EG4-LL 12V 400Ah Lithium Battery (V2) delivers powerful, long-term energy storage in a sleek rack-mount format. Designed to go the distance with 7,000+ deep cycles at 80% DoD, this is the battery you want if you're building a robust 12V solar setup—whether it’s for your off-grid cabin, van, or backup system at home.

With an upgraded BMS, Bluetooth-enabled monitoring, and fail-safe protections built right in, you get full visibility and peace of mind—backed by a 10-year warranty and real support from EG4’s U.S. team.

Why It Works:

Built for the Long Haul – 7,000+ deep cycles = 15+ years of daily use without losing reliability.
Smart BMS Upgrade – Handles bigger loads, supports 16-battery parallel builds, and communicates with Victron 12V systems.
Bluetooth Monitoring – See stats in real-time from your phone or computer with EG4’s app + PC software.
Fail-Safe Safety – Dual onboard fire arrestors + protection from shorts, extreme temps, and voltage spikes.
Rack-Ready Design – Compact 4U form factor fits easily into standard server rack enclosures.

Key Specs:

Voltage: 12.8V
Capacity: 400Ah (5.12kWh)
Charging Voltage (Bulk): 14.0V ±0.2V
Float Voltage: 13.5V ±0.2V
Low DC Cutoff: 11.8 – 11.4V (adjustable by load)
Max Charge/Discharge: 200A
Parallel Capability: Up to 16 batteries (80kWh+ total)
Short Circuit Protection: >775A <0.1ms
Weight: 98.1 lbs (44.5 kg)
Dimensions: 6.1" H × 19" W × 20.2" D
Warranty: 10-Year (Serviced in Texas)

Whether you're powering a van, RV, or backup bank, this battery gives you pro-grade storage with plug-and-play simplicity.
Made for the long road—and supported close to home.

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Description

Product Description:

Why It Works:

Built for the Long Haul – 7,000+ deep cycles = 15+ years of daily use without losing reliability.
Smart BMS Upgrade – Handles bigger loads, supports 16-battery parallel builds, and communicates with Victron 12V systems.
Bluetooth Monitoring – See stats in real-time from your phone or computer with EG4’s app + PC software.
Fail-Safe Safety – Dual onboard fire arrestors + protection from shorts, extreme temps, and voltage spikes.
Rack-Ready Design – Compact 4U form factor fits easily into standard server rack enclosures.

Key Specs:

Voltage: 12.8V
Capacity: 400Ah (5.12kWh)
Charging Voltage (Bulk): 14.0V ±0.2V
Float Voltage: 13.5V ±0.2V
Low DC Cutoff: 11.8 – 11.4V (adjustable by load)
Max Charge/Discharge: 200A
Parallel Capability: Up to 16 batteries (80kWh+ total)
Short Circuit Protection: >775A <0.1ms
Weight: 98.1 lbs (44.5 kg)
Dimensions: 6.1" H × 19" W × 20.2" D
Warranty: 10-Year (Serviced in Texas)

Whether you're powering a van, RV, or backup bank, this battery gives you pro-grade storage with plug-and-play simplicity.
Made for the long road—and supported close to home.