In energy storage solutions, few systems are as robust and efficient as those utilizing lithium-ion technology. This article highlights a real-world installation featuring two LFP.6144.G2 energy storage batteries, each built with lithium ion 120Ah batteries, working seamlessly with a 12kW DEYE inverter. This case study examines the system design, performance, and benefits, providing insight into how such configurations maximize energy efficiency and reliability.
System Overview
This installation showcases the integration of two LFP.6144.G2 batteries with a 12kW DEYE inverter to create a reliable energy storage solution. Below are the key components and their specifications:
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LFP.6144.G2 Battery System
- Capacity: Each G2 battery delivers 12.28 kWh, offering a combined total of 24.56 kWh.
- Modules: Each G2 includes two battery modules, each with a capacity of 6.144 kWh.
- Cell Configuration: Each module contains 16 series-connected lithium ion 120Ah batteries (HiGee A-grade cells).
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12kW DEYE Inverter
- Converts DC energy stored in the batteries to usable AC power.
- Supports hybrid functionality, managing solar input, battery storage, and grid power seamlessly.
Components Breakdown
1. LFP.6144.G2 Energy Storage Batteries
1.1 Battery Modules
Each G2 battery is composed of two 6.144 kWh battery modules, combining for a total capacity of 12.28 kWh. These modules are designed for high energy density and efficient performance:
- Lithium Ion 120Ah Batteries: The modules utilize HiGee A-grade cells, configured as 16 cells in series.
- Nominal Voltage: Each module operates at 51.2V, ensuring compatibility with modern energy systems.
- Cycle Life: The HiGee cells support up to 6000 charge/discharge cycles, providing over 10 years of reliable use.
- Depth of Discharge (DoD): The system supports a 95% DoD, enabling maximum energy utilization without compromising battery longevity.
1.2 Parallel Control Box (PCB)
Each LFP.6144.G2 system includes a Parallel Control Box, which ensures:
- Communication Coordination: The PCB uses CAN bus communication with the Battery Management System (BMS) to synchronize data and operations across multiple battery modules in parallel setups.
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Parallel Management: It enables multiple battery modules to operate in parallel, supporting systems with up to 32 modules. This expands the overall storage capacity and increases power output.
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Thermal and Safety Management: The PCB is designed with thermal management features and fault protection to prevent system damage due to overheating or communication errors during operation.
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Modular Expansion: In residential photovoltaic energy storage systems, the PCB allows for flexible expansion by adding battery modules as needed, ensuring consistent operation across the system.
2. 12kW DEYE Inverter
The DEYE 12kW inverter is an integral part of this setup, providing efficient power conversion and advanced energy management:
- Power Output: Handles up to 12kW of AC power, sufficient for residential or light commercial applications.
- Solar Integration: Optimized to manage input from solar panels, ensuring surplus energy is stored in the batteries.
- Seamless Switching: Automatically transitions between battery power and grid supply during outages.
Installation Process
Step 1: Mounting the Batteries and Inverter
The two LFP.6144.G2 batteries were mounted securely, each configured with its respective Parallel Control Box to ensure efficient operation. The 12kW DEYE inverter was installed nearby for easy connectivity.
Step 2: Connecting Battery Modules
The two battery modules within each G2 battery were connected via the Parallel Control Box, enabling synchronized operation. The cells’ nominal voltage of 51.2V ensured smooth integration with the DEYE inverter.
Step 3: Inverter Integration
The inverter was configured to:
- Convert DC energy from the batteries into AC power for appliances.
- Integrate solar input for efficient energy management.
- Enable smart monitoring for real-time performance tracking.
Performance and Benefits
1. Efficient Energy Storage
The combined capacity of 24.56 kWh from the two G2 batteries ensures sufficient energy storage for daily use, backup power, and solar optimization.
2. High Utilization Rate
With a 95% Depth of Discharge, the batteries provide nearly their full capacity, maximizing energy availability while preserving battery health.
3. Long-Term Reliability
The HiGee A-grade lithium ion 120Ah batteries deliver up to 6000 cycles, significantly reducing replacement frequency and ensuring long-term cost savings.
4. Seamless Power Management
The 12kW DEYE inverter effectively balances energy sources, prioritizing solar power and battery storage over grid electricity to reduce utility costs.
Real-World Applications
1. Residential Use
This system powers a family home with rooftop solar panels, enabling:
- Daytime solar utilization and energy storage.
- Nighttime power supply via batteries.
- Reliable backup during grid outages.
2. Light Commercial Use
Small businesses benefit from consistent power, supporting critical operations and reducing downtime during outages.
Case Study: Installation in Action
Background
A homeowner sought an energy-efficient solution to reduce reliance on grid power while optimizing their rooftop solar system. The installation team recommended two LFP.6144.G2 batteries paired with a 12kW DEYE inverter.
Results
- The system consistently stored surplus solar energy, providing a reliable source of nighttime power.
- During a recent power outage, the batteries powered essential appliances like refrigerators, lights, and Wi-Fi for over 12 hours.
- The homeowner reported a 40% reduction in grid electricity usage within the first month.
Why Choose Lithium Ion 120Ah Batteries for Energy Storage?
1. High Energy Density
Lithium ion 120Ah batteries offer a compact design with high storage capacity, making them ideal for modern energy systems.
2. Long Lifespan
With a cycle life of 6000+ cycles, these batteries outperform traditional lead-acid alternatives, offering better value over time.
3. Enhanced Efficiency
A 95% DoD ensures maximum energy extraction while maintaining battery health.
4. Environmentally Friendly
Lithium-ion batteries produce fewer emissions and are more sustainable than traditional energy storage options.
Installation Tips
1. Professional Installation
Ensure certified technicians install your system to guarantee safety and performance.
2. Regular Monitoring
Use smart tools to monitor energy usage and battery performance in real-time.
3. Scalable Design
Consider adding additional G2 batteries in the future to accommodate growing energy needs.
Conclusion
This installation of two LFP.6144.G2 batteries paired with a 12kW DEYE inverter demonstrates the power of advanced energy storage systems. With robust components like lithium ion 120Ah batteries, this setup provides exceptional performance, long-term reliability, and significant energy savings.
Whether for residential or commercial use, the combination of LFP.6144.G2 batteries and a DEYE inverter represents a smart, sustainable choice for energy independence. Explore how these solutions can transform your energy management today!
