Deye SE-G5.1 Pro-B Low Voltage LiFePO4 Battery – Solar Storage

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  • Safer
  • Cobalt Free Lithium Iron Phosphate (LFP) Battery: Safety and long Lifespan, high efficiency and high power density. Intelligent BMS, providing complete protection. Reliable
  • Support high discharge power. IP20, natural cooling, wide temperature range: -20℃ to 55℃. Flexible
  • Modular design, easy to expand, Max. 64 units in parallel, Max. capacity of 327kWh. Suited to residential and commercial applications for increasing the self-consumption ratio. Convenient
  • Battery module auto networking, easy maintenance, support remotely monitoring and upgrade, support USB drive upgrade the firmware.
  • Eco-Friendly
  • Use environmental protection materials, the whole module non-toxic, pollution-free.
  • Three Mounting Methods
  • 19inch Standard design, support rack-mounted, wall-mounted, and floor-mounted, saving installation space.

Specs:

  • Model: Deye SE-G5.1
  • Battery Chemistry: LiFePO4
  • Nominal Capacity: 100 Ah
  • Nominal Voltage: 51.2 V
  • Operating Voltage: 44.8 V to 57.6 V
  • Nominal Energy: 5.12 kWh
  • Scalability: Maximum of 64 units in parallel (327 kWh total)
  • Charge Current: Max 50 A (Continuous), 100 A (Peak for 10 seconds)
  • Discharge Current: Max 50 A (Continuous), 100 A (Peak for 10 seconds)
  • Depth of Discharge (DoD): Recommended 80% Dimension: 440 mm x 540 mm x 133 mm (W x D x H)
  • Weight: Approx. 44 kg
  • Communication Port: CAN2.0, RS485
  • IP Rating: IP20
  • Operating Temperature: Charge: 0 to 55℃; – Discharge: -20 to 55℃
  • Storage Temperature: 0 to 35℃
  • Relative Humidity: 95%
  • Cycle Life: ≥6000 cycles
Original price was: ₦1,750,000.00.Current price is: ₦1,450,000.00.
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Deye SE-G5.1
This item: Deye SE-G5.1 Pro-B Low Voltage LiFePO4 Battery – Solar Storage
Original price was: ₦1,750,000.00.Current price is: ₦1,450,000.00.
Original price was: ₦1,750,000.00.Current price is: ₦1,450,000.00.
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Deye SE-G5.1 Pro-B Low Voltage LiFePO4 Battery – Reliable Solar Storage

Enhance your solar system with the Deye SE-G5.1 Pro-B Low Voltage LiFePO4 Battery, a high-performance 5.12 kWh energy storage solution for residential and small commercial applications. Designed for seamless integration with low-voltage inverters like the Deye SUN-12K-SG04LP3-EU, the SE-G5.1 offers modular scalability (up to 327 kWh), intelligent BMS, and eco-friendly design. With a 10-year warranty and WiFi-enabled monitoring, it ensures safe, efficient power management—backed by Deye’s cutting-edge technology.

Why Choose the Deye SE-G5.1 Pro-B Battery?

  • Safe LiFePO4 Chemistry: Cobalt-free LiFePO4 provides thermal stability, low self-discharge, and ≥6000 cycles at 90% DOD (25°C), certified by UN38.3, IEC62619, CE, and UL1973.
  • High Performance: 5.12 kWh nominal capacity (100Ah, 51.2V), 4.6 kWh usable, with 50A continuous and 100A peak discharge (10s), ideal for backup and peak shaving.
  • Scalable & Flexible: Modular design supports up to 64 units in parallel (327 kWh), with rack, wall, or floor mounting to fit any space.
  • Intelligent BMS: Monitors voltage, current, and temperature, offering over-charge, over-discharge, and short-circuit protection, with auto-balancing for longevity.
  • Smart Features: Auto-networking, WiFi/USB firmware upgrades, and remote monitoring via the Deye Cloud app simplify maintenance.

Easy Installation, Durable Design

The SE-G5.1 Pro-B measures 440 x 540 x 133 mm (3U rack), weighs ~44 kg, and features an IP20 rating for indoor use. Install by certified technicians using a 19-inch rack, wall, or floor mount, connecting via CAN/RS485 to inverters. Operates from -20°C to +55°C (charge: 0–55°C) with natural cooling.

Key Specs

  • Capacity: 5.12 kWh; 100Ah; 51.2V
  • Usable Capacity: 4.6 kWh (90% DOD)
  • Voltage Range: 44.8–57.6V
  • Cycle Life: ≥6000 cycles @ 90% DOD, 25°C
  • Charge/Discharge Current: 50A (continuous); 100A (peak, 10s)
  • Dimensions: 440 x 540 x 133 mm
  • Weight: ~44 kg
  • Features: LiFePO4, Intelligent BMS, Modular Design, WiFi/USB Upgrades, IP20, CAN/RS485
  • Warranty: 10 Years
  • Operating Temperature: Charge: 0–55°C; Discharge: -20–55°C

Sustainable Power Solution

The Deye SE-G5.1 Pro-B Low Voltage LiFePO4 Battery delivers safe, scalable, and efficient energy storage for solar systems. Buy now and optimize your energy independence with Deye’s trusted technology!

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Weight 44 kg

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