EG4-LL Lithium Battery 12V 400AH Server Rack Battery 

The new EG4-LL 12V batteries offer unmatched performance and longevity. They are designed to last for more than 7000 deep charge and discharge cycles and have a life cycle of more than 15 years with an 80% depth of discharge daily.

Dual On-board Fire Arrestors

Provide fail-safe operation in high risk environments and safeguard against rare hardware failure on high-voltage solar charge controllers

Real-Time Statistics

Using Bluetooth integration with a customized app and PC monitoring software

New, More Powerful BMS

Handles heavier loads with ease, parallels up to 16 batteries for more than 80kWh of storage, and communicates with 12V Victron systems for added functionality

Performance Components

• Reliable Built-In EG4 Smart BMS, Voltage, Current, Temp. and Health Management
• Stress-Free Battery Bank Expansion Capacity
• Cell & Module Voltage Protection
• Short Circuit Protection >775A <0.1mS
• Temperature Protection <-4°F or >167°F
• Operating Power Consumption <14mA

Advanced Configurability

• On-board LCD Screen
• PC Monitoring Software
• Lifetime firmware updates

Reliability & Safety Testing

• Dual On-board Fire Arrestors
• Environmentally Friendly & Lead-Free
• Design Optimized and Tested by EG4's R&D Solar Laboratory. In-House & Texas Based
• 10-Year Warranty Supported and serviced out of Texas

EG4-LL 120V Specifications

Nominal Operating Parameters

• Voltage 12.8V
• Capacity 400Ah
• Charging Voltage (Bulk/Absorb) 14.0V (+/-0.2V)
• Float 13.5V (+/-0.2V)
• Low DC Cutoff 11.8 ‒ 11.4V (depending on load - start high, lower if needed)
• Charging Current Max Constant Charge: 200A (<100 recommended)
• Discharging Current Max Constant Discharge: 200A

Physical Specifications

• Dimensions (H×W×D) 6.1 in.×19 in.×20.2 in. (15.5 cm×48.2 cm×51.3 cm)
• Weight 98.1 lbs. (44.5 kgs)