SE-G5.1 5KWH 51.2V

The Deye SE-G5.1 5kWh 51.2V Lithium Battery is a high-performance LiFePO₄ (Lithium Iron Phosphate) energy storage solution designed for residential, commercial, and off-grid solar power systems. Engineered with advanced lithium battery technology, the SE-G5.1 provides reliable energy storage, long cycle life, high safety standards, and intelligent battery management, making it an ideal choice for modern solar energy storage applications.

With a nominal voltage of 51.2V, a 100Ah battery capacity, and a total energy storage capacity of 5.12kWh, this battery efficiently stores excess solar energy generated during the day for use at night, during grid outages, or during peak electricity demand periods. Its compact wall-mounted or rack-mounted design allows for flexible installation while supporting future system expansion.

High-Efficiency Energy Storage

The Deye SE-G5.1 is designed to maximize solar energy utilization and provide dependable backup power.

Key Battery Specifications

• Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate)
• Nominal Voltage: 51.2V
• Capacity: 100Ah
• Total Energy Capacity: 5.12kWh
• Usable Energy: Up to 4.6kWh
• Recommended Depth of Discharge (DoD): 90%
• High Energy Density Design
• Maintenance-Free Operation

The battery provides consistent performance and stable power delivery for homes and businesses seeking reliable energy independence.

Advanced LiFePO₄ Technology

The SE-G5.1 utilizes premium Lithium Iron Phosphate cells, widely regarded as one of the safest and most durable lithium battery technologies available.

Benefits of LiFePO₄ Batteries

• Excellent Thermal Stability
• Enhanced Safety Performance
• Longer Service Life
• Deep Discharge Capability
• Fast Charging Efficiency
• Low Self-Discharge Rate
• Environmentally Friendly Design

Compared to conventional lead-acid batteries, LiFePO₄ batteries offer superior efficiency, longer lifespan, and lower maintenance requirements.

Long Cycle Life and Durability

The Deye SE-G5.1 is built for long-term operation and dependable performance.

Lifespan Features

• More Than 6,000 Charge and Discharge Cycles
• Design Life Exceeding 15 Years
• High Capacity Retention
• Minimal Performance Degradation Over Time

This long operational lifespan significantly reduces replacement costs and improves the overall return on investment.

Intelligent Battery Management System (BMS)

The battery incorporates a sophisticated Battery Management System that continuously monitors and protects the battery.

BMS Functions

• Overcharge Protection
• Over-Discharge Protection
• Overcurrent Protection
• Short Circuit Protection
• Temperature Monitoring
• Cell Balancing Technology
• Voltage Monitoring
• Fault Detection and Alarm Functions

The intelligent BMS ensures optimal battery performance while enhancing safety and extending battery life.

Flexible Expansion Capability

The SE-G5.1 is designed to support scalable energy storage installations.

Expansion Features

• Parallel Connection Support
• Modular Battery Design
• Easy Capacity Expansion
• Suitable for Residential and Commercial Applications
• Compatible with Large Battery Banks

Users can connect multiple battery units together to increase storage capacity and meet growing energy demands.

Wide Inverter Compatibility

The battery is compatible with a wide range of hybrid and off-grid inverters.

Communication Interfaces

• CAN Bus Communication
• RS485 Communication
• Real-Time Monitoring
• Intelligent Inverter Integration

The SE-G5.1 works seamlessly with Deye hybrid inverters and many other compatible inverter brands.

Compact and User-Friendly Design

The battery is designed for easy installation and maintenance.

Physical Features

• Slim and Compact Design
• Wall-Mounted or Rack-Mounted Installation
• Modular Structure
• Easy Maintenance Access
• Professional Appearance

Its flexible installation options make it suitable for homes, offices, and commercial facilities.

Comprehensive Safety Features

Safety is a top priority in the design of the SE-G5.1.

Safety Protections

• Built-In Battery Management System
• Fire-Resistant LiFePO₄ Cells
• Overvoltage Protection
• Undervoltage Protection
• Thermal Protection
• Overcurrent Protection
• Short Circuit Protection

These advanced safety features ensure stable and secure operation under various environmental conditions.

Environmental Performance

The battery is designed to operate efficiently in different environments.

Operating Conditions

• Wide Temperature Operating Range
• High Reliability Performance
• Low Maintenance Requirements
• Indoor Installation Ready
• Durable Construction

Its robust design makes it suitable for long-term operation in residential and commercial settings.

Applications

The Deye SE-G5.1 is ideal for:

• Residential Solar Energy Systems
• Hybrid Solar Installations
• Off-Grid Power Systems
• Home Backup Power Solutions
• Commercial Energy Storage Systems
• Telecom Backup Systems
• CCTV and Security Systems
• Small Industrial Energy Storage Projects

Key Benefits

• High Energy Storage Capacity
• Long Service Life
• Excellent Safety Performance
• Intelligent Battery Monitoring
• Expandable Design
• Fast Charging Capability
• Reliable Backup Power
• Low Maintenance Costs