🔋 Deye AI-W5.1 Low Voltage Battery (51.2V 100Ah 5.12kWh) – Wall or Rack Mount, Smart & Scalable

The Deye AI-W5.1 5.12kWh Lithium Iron Phosphate (LiFePO₄) Battery is a high-quality, low-voltage storage solution ideal for residential solar, backup power, and hybrid systems. Built with smart BMS technology, long-lasting LiFePO₄ chemistry, and support for parallel expansion, it offers reliable energy in a clean and compact design.

Compatible with most 48V hybrid inverters including Deye and Sunsynk, and installable as either wall-mounted or rack-mounted, this battery is the go-to choice for energy-conscious homeowners and installers alike.

⚡ Key Features & Benefits:

• ✅ 5.12kWh Total Energy | 4.6kWh Usable (90% DoD)

Dependable daily storage for solar systems or backup loads.

• ✅ Smart BMS (Battery Management System)

Full system protection with automatic balancing, temperature control, overcharge, over-discharge, and short-circuit protection.

• ✅ Parallel Scalable

Easily expand your system with up to 6 units in parallel, scaling up to 30.72kWh.

• ✅ Flexible Installation

Suitable for wall mount or rack mount setups — ideal for homes, garages, or equipment rooms.

• ✅ CAN & RS485 Communication

Seamless inverter integration, especially with Deye and Sunsynk 48V systems.

• ✅ Long Cycle Life

Enjoy over 6,000 cycles at 90% Depth of Discharge — designed for 10+ years of daily use.

• ✅ Certified Safe

UN38.3, IEC62619, UL1973 and CE certifications ensure compliance, reliability, and peace of mind.

🧰 Technical Specifications:

Model AI-W5.1

Battery Type LiFePO₄

Nominal Voltage 51.2V

Rated Capacity 100Ah

Total Energy 5.12kWh

Usable Energy 4.6kWh (90% DoD)

Cycle Life ≥6,000 cycles @ 90% DoD

Max Charge/Discharge Current 100A

Nominal Current 50A

Mounting Options Wall / Rack Mount

Communication RS485 / CAN

Dimensions (W × H × D) 720 x 255 x 569

Weight 58kg

Operating Temperature Charge: 0°C to 55°CDischarge: -20°C to 55°C

Storage Temperature 0°C to 35°C

Ingress Protection IP20

Scalability Up to 6 units in parallel

Certifications UN38.3, IEC62619, UL1973, CE

Warranty 10 Years 

💡 Best Suited For:

• Load-shedding protection

• Daily solar charging and night-time usage

• Smart hybrid and off-grid systems

• Deye/Sunsynk inverter compatibility

🔌 Compact. Reliable. Ready for Anything.

The Deye AI-W5.1 Low Voltage Battery offers clean energy storage in a small footprint, with serious performance under the hood. Order yours today, or get in touch for a customised battery + inverter bundle!