Description

Deye SE-G5.1 5.12 kWh 51.2V LiFePO₄ Battery

The Deye SE-G5.1 is a compact, rack-mounted low-voltage energy-storage battery designed for residential and commercial solar energy-storage applications.

Using LiFePO₄ battery chemistry, the SE-G5.1 provides 5.12 kWh of nominal energy from a 51.2 V, 100 Ah battery configuration. Its modular design allows multiple battery units to be connected in parallel, making it possible to increase storage capacity as system requirements grow.

The manufacturer specifies support for up to 64 SE-G5.1 units in parallel, providing a maximum parallel capacity of approximately 327 kWh.

The battery incorporates a battery management system, multiple protection functions, CAN2.0 and RS485 communication, and a recommended 80% depth of discharge.

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Key Features

🔋 5.12 kWh Energy Capacity

The SE-G5.1 provides:

5.12 kWh nominal energy

with a:

51.2 V nominal voltage

and:

100 Ah nominal capacity.

🧪 LiFePO₄ Battery Chemistry

The battery uses Lithium Iron Phosphate (LiFePO₄) technology, designed for safe and reliable energy storage.

📈 Highly Scalable

Up to 64 SE-G5.1 batteries can be connected in parallel, providing a potential system capacity of approximately 327 kWh.

This makes the battery suitable for applications where storage capacity needs to expand over time.

⚡ 50 A Continuous Charge & Discharge

The battery provides:

Maximum continuous charge current: 50 A
Maximum continuous discharge current: 50 A

Peak charge/discharge current can reach 100 A for 10 seconds.

🔧 Rack-Mounted Design

The SE-G5.1 is designed for rack-mounted installation, making it suitable for organised battery-storage cabinets and energy-storage installations.

The datasheet also identifies wall-mounted and floor-mounted installation options within the broader installation configuration.

🛡️ Integrated Protection

The battery includes intelligent battery-management functionality and monitoring indicators for battery status, with the system designed to provide protection and safe operation.

🔌 Multiple Communication Options

Communication is provided through:

CAN2.0 / RS485

allowing integration with compatible energy-storage and inverter systems

Data Sheet:

Deye SE-G5.1 5.12 51.2V Battery Datasheet

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