Basic Information
| Model NO. | Se-G5.1 Pro B |
| Cell Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Nominal Voltage | 51.2V |
| Nominal Capacity | 100Ah |
| Nominal Energy | 5.12 kWh |
| Dimensions (W/D/H) | 440 * 133 * 540mm |
| IP Rating | IP20 |
| Operating Altitude | ≤2000m |
Product Description
The SE-G5.1 Pro-B is a high-performance, low-voltage lithium iron phosphate (LiFePO4) battery designed for reliable energy storage in residential, commercial, and off-grid applications. Delivering efficient power management, this module ensures safety, longevity, and scalability for solar energy systems, backup power, and peak-shaving needs.
Built with an intelligent Battery Management System (BMS), it provides comprehensive protection against overcharge, over-discharge, short circuits, and temperature fluctuations. The SE-G5.1 Pro-B supports parallel expansion up to 64 units, achieving a maximum capacity of 327 kWh.
Key Features & Advantages
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Superior Safety: Cobalt-free LiFePO4 chemistry ensures high thermal stability and minimal risk. Integrated BMS monitors cell voltage, current, and temperature in real-time.
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High Efficiency: Supports 90% Depth of Discharge (DOD) with peak discharge currents reaching 150A.
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Flexible Scalability: Modular 19-inch design allows for rack, wall, or floor mounting. Easily expandable up to 64 units in parallel.
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Eco-Friendly: Made from non-toxic, pollution-free materials for a sustainable green energy future.
Technical Parameters
| Storage Temperature | 0ºC ~ 35ºC |
| Operating Temperature | Charge: 0~55°C / Discharge: -20~55°C |
| Humidity | 5% ~ 95% |
| Cycle Life | ≥6000 cycles (@25ºC, 0.5C/0.5C, 90%DOD) |
| Communication Port | CAN2.0, RS485 |
| Certification | UN38.3, IEC62619, CE, UK, VDE 2510-50, FCC, UL1973, UL9540A |
| Warranty | 10 Years |
Packaging & Delivery
| Package Size | 49.00cm * 18.00cm * 57.00cm |
| Gross Weight | 50.00kg |
| Transport Package | Export Standard Carton |
Project Cases & Certifications
Production & Quality Control
Frequently Asked Questions
What is the primary application of the SE-G5.1 Pro-B battery?
It is designed for energy storage in solar PV systems, backup power, off-grid applications, and peak-shaving for both residential and commercial environments.
How many modules can I connect together?
You can connect up to 64 units in parallel. For up to 32 modules, the system supports auto-networking, which simplifies the expansion process without complex external settings.
What is the expected lifespan of the battery?
The battery offers a cycle life of ≥6000 cycles at 90% Depth of Discharge (DOD) under standard operating conditions (25°C), ensuring over 10 years of reliable service.
Is this battery safe for indoor installation?
Yes. It uses Cobalt-free LiFePO4 chemistry, which is known for its high thermal stability. The integrated BMS provides multiple layers of protection against electrical and thermal risks.
What mounting options are available?
The SE-G5.1 Pro-B features a versatile design that supports 19-inch standard rack mounting, wall mounting, or floor-mounted configurations.
Does the battery support remote monitoring?
Yes, it includes CAN2.0 and RS485 communication ports, allowing for real-time diagnostics, performance monitoring, and firmware upgrades via USB or connected systems.
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