Deye SE-G5.1 Pro-B 5.12kWh LFP Rack-Mounted Battery | 51.2V 100Ah | UL9540A UL1973 Certified & Compatible with Sol-Ark and Certified UL9540| 10 Years Warranty
- Battery Chemistry: LiFePO4
- Capacity: 100 Ah
- Nominal Voltage: 51.2 V
- Nominal Energy: 5.12 kWh
- Usable Energy: 4.6 kWh
- Dimensions: 440 x 133 x 540 mm
- Weight: Approximately 45 kg
- Warranty Period: 10 years
The Deye SE-G5.1 Pro-B is a cutting-edge lithium iron phosphate (LFP) battery designed for safe, reliable, and flexible energy storage solutions. This modular battery system is perfect for both residential and commercial applications, allowing you to increase your self-consumption ratio and optimize your energy usage.
Key Features:
- Safer: Our cobalt-free LFP battery offers enhanced safety and a long lifespan, with high efficiency and power density. The intelligent Battery Management System (BMS) provides complete protection for your peace of mind.
- Reliable: The SE-G5.1 Pro-B supports high discharge power and operates in a wide temperature range of -20°C to 55°C. With an IP20 rating and natural cooling, this battery is built to last.
- Flexible: The modular design allows for easy expansion, with a maximum of 64 units in parallel, providing up to 327 kWh of storage capacity. This flexibility makes it ideal for various applications and energy needs.
- Convenient: The battery modules feature auto-networking for easy maintenance, and support remote monitoring and firmware upgrades via USB drive, ensuring a hassle-free experience.
- Eco-Friendly: We use environmentally friendly materials, ensuring the entire module is non-toxic and pollution-free, promoting a greener future.
- Three Mounting Methods: With a 19-inch standard design, the SE-G5.1 Pro-B supports rack-mounting, wall-mounting, and floor-mounting, saving valuable installation space and adapting to your specific requirements.
Technical Specifications:
- Battery Chemistry: LiFePO4
- Capacity: 100 Ah
- Nominal Voltage: 51.2 V
- Nominal Energy: 5.12 kWh
- Usable Energy: 4.6 kWh
- Dimensions: 440 x 133 x 540 mm
- Weight: Approximately 45 kg
- Warranty Period: 10 years
Invest in the Deye SE-G5.1 Pro-B LFP Battery for a safe, reliable, and flexible energy storage solution that adapts to your needs and contributes to a more sustainable future.
Datasheet:
Residential ESS Solution:
Download
Datasheet:
Residential_5kwh_Deye_SE-G5.1_Pro-B_B.pdf
User Manual:
Residential_5kwh_Deye_SE-G5.1_Pro-B_User_Manual.pdf
Warranty
Deye SE-G5.1Pro-B Warranty
ABOUT Deye
Ningbo Deye Technology Co., Ltd. is a large-scale manufacturing technology enterprise integrating R&D, design, production, sales, and services.Driven by innovation, with a global vision and forward-looking thinking, Deye is devoted to innovation and change following the trend of the industry, producing “intelligent, healthy, energy-saving, and environment-friendly” products.
Relying on the advantages of China’s vast market and powerful Internet technology resources, Deye has become a brand rooted in China and well-known in the world, an innovator and leader in new energy inverter technology and frequency conversion control core technology, a leading brand in the high-end environmental electrical appliance industry and a famous company in the air-conditioning heat exchanger industry.
So far, Deye has realized a layout for its diversified development drawing on the dual-core drives of its independent brand and supporting products.
FAQ
The Deye SE-G5.1 Pro-B provides a nominal capacity of 5.12kWh, making it ideal for residential energy storage applications. Depending on system configuration and depth of discharge, most of this capacity is usable daily, allowing homeowners to store excess solar energy and use it during nighttime or peak tariff periods.
This battery uses Lithium Iron Phosphate (LiFePO₄ or LFP) chemistry, which is known for its high safety, excellent thermal stability, and long lifecycle. Compared to other lithium-ion chemistries, LFP significantly reduces the risk of overheating or fire, making it especially suitable for residential installations.
Yes, the SE-G5.1 Pro-B is designed with a modular architecture, allowing multiple units to be connected in parallel. This enables users to scale their energy storage system from a single 5.12kWh unit to a much larger capacity, depending on energy consumption and backup requirements.
The battery is rated for over 6000 charge and discharge cycles, which typically translates to 10–15 years of service life under normal operating conditions. This long lifespan ensures consistent performance and strong long-term value for residential energy storage investments.
Yes, the SE-G5.1 Pro-B features an integrated Battery Management System (BMS). This system continuously monitors key parameters such as voltage, current, and temperature, providing protection against overcharging, deep discharge, overheating, and short circuits to ensure safe and reliable operation.
When paired with a compatible hybrid inverter, the battery can support backup power functionality. In the event of a grid outage, the system automatically switches to battery power, keeping essential household loads such as lights, refrigerators, and communication devices running smoothly.
The SE-G5.1 Pro-B is typically designed for stackable floor installation, allowing multiple units to be neatly arranged in a compact footprint. It is suitable for indoor environments such as garages or utility rooms, and in some cases, protected outdoor installations depending on enclosure and local guidelines.
The battery is designed to operate within a wide temperature range, typically supporting charging from around 0°C to 55°C and discharging from approximately -20°C to 55°C. This makes it suitable for various climates, though optimal performance is achieved within moderate temperature conditions.
The SE-G5.1 Pro-B is optimized for use with Deye hybrid inverters and supports communication protocols such as CAN and RS485. Compatibility with third-party inverters may be possible but should be verified to ensure proper communication and system integration.
The battery typically comes with a 10-year manufacturer warranty, covering performance and manufacturing defects under normal usage conditions. This warranty reflects the product’s durability and reliability, providing users with confidence in their long-term energy storage investment.
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