Deye SE-G5.1

5.12 kWh Low Voltage LiFePO4 Battery with 6000+ cycle life and IP20 protection.

Models Covered: SE-G5.1

Manufacturer: Ningbo Deye Technology Co., Ltd. (Stock Code: 605117.SH)

Application: The Deye SE-G5.1 is a high-performance LiFePO4 battery designed for efficient energy storage, ideal for residential and commercial applications. Built with safety and scalability in mind, it delivers consistent power while supporting long-term use. Expandable up to 64 units in parallel for a maximum of 327 kWh storage capacity.

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Technical Specifications

Parameter SE-G5.1
Electrical / AC Output Data
Nominal Voltage 51.2 V
Operating Voltage Range 44.8 V – 57.6 V
Peak Current 100A(10 sec)
Status Indicator 3LED (working, alarming, protecting)
Battery Data
Battery Energy Capacity 5.12 kWh
Nominal Capacity 100 Ah
Battery Type / Chemistry LiFePO4
Cycle Life ≥6000(25°C±2°C,0.5C/0.5C,90%DOD,70%EOL) cycles
Max Charge Current 50A (100A peak)
Max Discharge Current 50A (100A peak)
Recommended DoD 80%
Cell / Pack Configuration 1P16S
Protection Features
IP Rating IP20
Mechanical Data
Installation / Mounting Floor/Wall/Rack
Operating Conditions
Charging Temperature Range 0 to 55 °C
Discharging Temperature Range -20 to 55 °C
Max Altitude ≤2000m
Operating Temperature Discharge:-20℃~55℃ °C
Relative Humidity 0 ~ 95%
Storage Temperature Range 0℃~35℃ °C
Communication
Communication Interface CAN2.0, RS485

Note: Specifications are based on the official Deye SE-G5.1 datasheet. Values may be subject to change; always verify against the latest manufacturer documentation before system design and procurement.

Availability & grid compliance in Saudi Arabia

Market Saudi Arabia
Grid authority / regulator SEC, ECRA, SASO
Quotation currency SAR
Support hours timezone Asia/Riyadh
Delivery & installation coverage Riyadh, Jeddah, Dammam, Mecca, Medina

Figures on this page are the manufacturer's own, measured at the test conditions the datasheet states — they do not change by country. What changes is the approval that has to be met before the unit is energised: in Saudi Arabia that is SEC, ECRA, SASO. Confirm the grid code, import requirements and any local certification with them, or with us, before you order.

Key Features & Technical Highlights

  • 5.12 kWh Capacity: 100Ah nominal capacity with efficient LiFePO4 chemistry
  • Scalable to 327 kWh: Connect up to 64 units in parallel for large installations
  • 6000+ Cycle Life: Long-lasting performance at 80% depth of discharge
  • 5 Year Warranty: Comprehensive manufacturer warranty included
  • Wide Temperature Range: Operates from -20°C to 55°C for various climates
  • Smart Monitoring: 5 LED indicators and remote monitoring support

Frequently Asked Questions

How many SE-G5.1 units can I connect together?

You can connect up to 64 SE-G5.1 units in parallel, providing a maximum storage capacity of 327 kWh. This makes it suitable for both residential and small commercial installations.

What inverters are compatible with the SE-G5.1?

The SE-G5.1 is designed to work with DEYE hybrid inverters and other compatible 48V low-voltage inverter systems. It features CAN2.0 and RS485 communication for seamless BMS integration.

What is the expected lifespan of the SE-G5.1?

With proper use at 80% depth of discharge, the SE-G5.1 offers over 6000 charge cycles. This translates to approximately 15-20 years of service life under normal residential usage patterns.

Can I install the SE-G5.1 outdoors?

The SE-G5.1 has an IP20 rating, which means it should be installed in a protected indoor environment or weatherproof enclosure. It's not designed for direct outdoor exposure.