


EG4®-LL-S | 48V 100AH Lithium Iron Phosphate Battery
Explore the EG4-LL-S Battery - Your Path to Uninterrupted Power
Welcome to the future of off-grid energy solutions, where independence, reliability, and affordability converge. Meet the EG4-LL-S Battery – a game-changer in the world of energy storage. Engineered for system safety, ensuring code compliance, and improving overall quality of life.
Longevity and Performance:
Designed to last for more than 7000 deep charge and discharge cycles. The impressive life cycle of more than 15 years with an 80% daily depth of discharge.


Safety Features:
Ensures fail-safe operation in high-risk environments.
Protects against rare hardware failure on high-voltage solar charge controllers.
Emergency Stop functionality* for immediate power interruption, safeguarding both your equipment and your peace of mind.*requires either additional rsd/ess disconnect or pairing with a supported rapid shutdown inverter in the system fore-stop functionality
On-board LCD Touch Screen:
User-friendly interface for easy monitoring and control.


BMS Monitoring:
Easy-to-see Battery Management System (BMS) monitoring.
Selectable Closed-Loop Communications:
Compatible with EG4, Schneider, Sol-Ark, Victron, Growatt, Megarevo, Luxpower, and Deye inverters.


Parallel Configuration:
Connect up to 64 batteries in parallel for maximum power.
6 DIP switch option preserves BMS communications.
100AH Battery Module Operating Parameters:
Voltage: 51.2V
Capacity: 100Ah
Charging Voltage (Bulk/Absorb): 56.8V (Recommended Setting: 56.2V)
Float: 54V
Low DC Cutoff: 44.8V (Recommended Range: 47-45.6V)
Charging Current: 100A (Max. continuous, Recommended: 30-50A)
Discharging Current: 100A (Max. continuous, Recommended: 90A)


Environmental Parameters:
Charging Range: 32°F ‒ 113°F (0°C to 45°C)
Discharging Range: -4°F ‒ 122°F (-20°C to 50°C)
Storage Range: -4°F ‒ 122°F (-20°C to 50°C)
Ingress Protection: IP20
Charging/Discharging Parameters:
Various protection measures for cell voltage, module voltage, overcharging current, temperature, and more.
Emergency stop function for immediate power interruption.


General Specifications:
Cell Balance: 120mA
Temperature Accuracy: 3%
Voltage Accuracy: 0.5%
Current Accuracy: 3%
SOC (State of Charge) Accuracy: 5%
Power Consumption (Sleep & Off Mode): <300uA
Power Consumption (Operating Mode): <25mA
Communication Ports: RS485/CAN (Customizable)
Maximum Modules in Series: 1
Maximum Modules in Parallel: 64
Dimensions (H×W×D): 6.1 in.×19 in.×17.4 in. (15.5 cm×48.2 cm×44.2 cm)
Weight: 99.6 lbs. (45.2 kg)
Standards and Certifications:
Module: ETL Listed to UL Standard 9540A:2019
Cell: UL:1973
