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🔋 Deye AURA Battery 5kWh Stacked Battery Module – AI-W5.1-B

The Deye AURA Battery 5kWh (AI-W5.1-B) is a high-performance Lithium Iron Phosphate (LFP) energy storage module designed for modern residential solar systems. Part of the Deye Spring Series, this advanced battery solution delivers safe, reliable, and scalable energy storage with a sleek stackable floor-standing design.

With 5.12kWh usable capacity, 100% Depth of Discharge (DOD), and a lifespan of more than 6,000 cycles, the Deye AURA battery maximizes energy usage while providing long-term reliability for home energy independence.

⚡ Key Features

🔋 High-Performance LFP Battery Technology

• Uses Cobalt-Free Lithium Iron Phosphate (LiFePO4/LFP) chemistry for enhanced safety, stability, and long service life.

• Over 6,000 cycle life at 70% End of Life (EOL).

• Supports 100% Depth of Discharge to maximize usable energy capacity.

🧩 Modular & Expandable Design

• Easy tool-free installation with a smart stacked design.

• No complex internal wiring between battery modules.

• Supports 1 to 6 battery modules per stack, allowing expansion from:

  • ✅ 5.12kWh

  • ✅ Up to 30.72kWh

• Multiple stacks can be connected in parallel for larger energy requirements.

🚀 Smart Energy Management

• Integrated Smart BMS (Battery Management System) provides real-time monitoring and protection.

• Supports remote firmware updates through the Deye Cloud platform.

• Intelligent control helps optimize battery performance and lifespan.

🌦️ Built for All Weather Conditions

• IP65-rated enclosure suitable for indoor and outdoor installations.

• Wide operating temperature range from -20°C to 55°C.

• Optional built-in heating system available for extreme environments.

• Designed for reliable performance in demanding conditions.

⚡ Fast Backup Power
When combined with compatible Deye hybrid inverters, the system provides a seamless transition from grid power to backup power in approximately 4ms, helping maintain power continuity during outages.

📋 Technical Specifications

• 🔋 Battery Type: Lithium Iron Phosphate (LiFePO4 / LFP)

• ⚡ Nominal Energy: 5.12kWh

• ⚡ Usable Energy: 5.12kWh (100% DOD)

• 🔌 Nominal Voltage: 51.2V

• 🔌 Operating Voltage Range: 44.8V – 57.6V

• 🔋 Nominal Capacity: 100Ah

• ⚡ Maximum Charge/Discharge Current: 100A

• ⚡ Peak Discharge Current: 150A (10 seconds)

• 🔄 Cycle Life: >6000 cycles (25°C)

• 🛡️ Protection Rating: IP65

• 📐 Dimensions (W × D × H): 720 × 255 × 300 mm

• ⚖️ Weight: 53kg

🏡 Ideal Applications

• Residential solar energy storage

• Home backup power systems

• Solar self-consumption optimization

• New solar installations and system upgrades

• Energy independence solutions

💡 The Deye AURA 5kWh Battery Module combines advanced LFP technology, intelligent battery management, flexible expansion, and robust outdoor durability, making it an excellent choice for homeowners looking for a reliable and future-ready energy storage solution.