Deye Battery Storage 51.2V 5kwh 10kwh Rack Mounted Lithium Battery Deep Cycle LiFePO4 Battery for Home Systems

Product Description

Product Description

The Deye SE-G5.1 / SE-G10.2 is a high-performance LiFePO4 Battery designed for residential solar energy storage applications. Available in 5.12kWh and 10.24kWh capacities, this 51.2V Lithium Battery delivers reliable backup power, outstanding safety, and flexible scalability for home energy storage systems.

Whether used with on-grid, hybrid, or off-grid solar inverters, the Deye battery provides stable performance, long service life, and intelligent battery management, making it an ideal solution for homeowners, installers, EPC contractors, and solar distributors worldwide.

Premium LiFePO4 Battery Technology
Built with advanced Lithium Iron Phosphate (LiFePO4) cells, the battery offers excellent thermal stability, enhanced safety, and superior cycle life compared with traditional lead-acid batteries.

LiFePO4 Battery Chemistry
High Safety Performance
Excellent Thermal Stability
No Memory Effect
Maintenance Free

Long Cycle Life
Designed for daily charging and discharging, the Deye battery delivers over 6000 charge/discharge cycles, significantly reducing replacement costs while providing reliable long-term energy storage.

Benefits include:

Lower Total Cost of Ownership
Longer Service Life
Stable Daily Performance
 
Expandable Energy Storage
The modular design supports parallel connection of up to 64 battery units, allowing users to expand storage capacity as electricity demand grows.

Ideal for:

Home Expansion
Commercial Backup
Solar Power Storage
Microgrid Projects
 
Intelligent Battery Management System (BMS)
Integrated smart BMS provides comprehensive protection including:

Over Charge Protection
Over Discharge Protection
Over Current Protection
Short Circuit Protection
Temperature Protection
Cell Voltage Balancing
The intelligent management system ensures maximum battery efficiency and longer service life.

 
Easy Installation
Supports multiple installation methods:

Rack Mounted Battery
Wall Mounted Battery
Stack Mounted Installation
Compact structure saves installation space and simplifies maintenance.

Application Scenarios

The Deye SE-G5.1 / SE-G10.2 is widely used in:

Residential Solar Energy Storage
Store excess solar energy during the day and power your home at night.

Off-Grid Solar Systems
Reliable electricity supply for remote areas without grid access.

Hybrid Solar Systems
Work seamlessly with hybrid solar inverters for maximum self-consumption.

Emergency Backup Power
Keep essential appliances running during power outages.

Small Commercial Energy Storage
Reduce electricity costs and improve energy independence.

Parameters

Model	SE-G5.1B	SE-G10.2B
Battery Type	LiFePO4
Nominal Capacity	100Ah	200Ah
Nominal Voltage	51.2 V
Operating Voltage	44.8 V ~ 57.6 V
Nominal Energy	5.12 kWh	10.24 kWh
Scalability	Max. 64 pcs pack ( 327kWh ) in parallel	Max. 64 pcs pack ( 655kWh ) in parallel
Recommend Depth of Discharge	80% DoD
Dimension	440 × 540 × 133 ( W × D × H, mm )	675 × 540 × 133 ( W × D × H, mm )
Weight Approximate	45 kg	88 kg
Communication Port	CAN2.0, RS485
Warranty Period	5 years

Certifications

OEM & Export Services

As a professional supplier of Solar Batteries and Energy Storage Systems, we provide:

OEM & ODM Services
Global Shipping
Technical Support
Project Design Assistance
Fast Delivery
Competitive Factory Pricing
Professional Export Packaging

Company Profile

FAQ

1. What is the difference between the Deye SE-G5.1 and SE-G10.2?
The main difference is the storage capacity. The SE-G5.1 provides 5.12kWh of usable energy, while the SE-G10.2 offers 10.24kWh. Both models use 51.2V LiFePO4 battery technology, feature an intelligent BMS, and are designed for residential solar energy storage systems.

 
2. What type of battery cells are used?
The Deye SE-G5.1/10.2 uses premium Lithium Iron Phosphate (LiFePO4) cells, known for their excellent safety, long service life, high thermal stability, and reliable daily cycling performance.

 
3. Is this battery suitable for home solar energy storage?
Yes. It is specifically designed for residential energy storage systems, allowing homeowners to store excess solar energy generated during the day and use it at night or during grid outages.

Typical applications include:

Home Solar Systems
Backup Power
Off-Grid Solar Systems
Hybrid Solar Systems
Small Commercial Energy Storage
 
4. Can the battery work with hybrid solar inverters?
Yes. The battery supports communication via CAN and RS485, making it compatible with many leading hybrid inverter brands that support low-voltage LiFePO4 batteries.

 
5. Can multiple batteries be connected together?
Yes. The modular design allows multiple battery units to be connected in parallel, enabling users to increase the total storage capacity as energy demand grows.

This makes it suitable for both residential and light commercial energy storage projects.

 
6. How long is the battery service life?
The battery is designed for more than 6,000 charge and discharge cycles under recommended operating conditions, providing many years of reliable performance with minimal maintenance.

 
7. Is the battery safe?
Yes. Safety is one of the biggest advantages of LiFePO4 technology.

The integrated Battery Management System (BMS) provides protection against:

Overcharge
Over-discharge
Overcurrent
Short circuit
Over-temperature
Cell voltage imbalance
This helps ensure safe and stable operation throughout the battery's lifetime.

 
8. Can the battery be used as a backup power source?
Absolutely.

When paired with a compatible inverter, the battery can automatically supply backup power during utility outages, keeping essential household appliances running smoothly.