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Home / Products / Categories / Energy Storage Batteries / LV Battery / Deye AI-W5.1-B LV battery
  • Deye AI-W5.1-B LV battery
Deye AI-W5.1-B LV battery

Deye AI-W5.1-B LV battery

The AI-W5.1-B LV Battery is a compact yet highly versatile lithium energy storage module designed for modern residential solar systems and scalable hybrid applications. With a recommended 90% usable capacity and ≥6000 cycle life, it delivers dependable long-term performance while supporting efficient daily energy shifting and backup readiness. 

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  • Deye AI-W5.1-B LV battery
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Engineered for floor-mounted stacking installation, the AI-W5.1-B allows users to easily expand system capacity as energy demand grows. Its space-efficient structure (720 × 255 × 300 mm, approx. 53 kg) makes it especially suitable for modular indoor or protected outdoor deployment. After stacking, the system achieves an IP65 protection level, ensuring strong resistance against dust and moisture for enhanced installation flexibility.

The battery operates reliably across a wide temperature range (0°C–55°C charging, −20°C–55°C discharging), with an optional heating function available for colder environments. Integrated LED status indicators clearly display operating, warning, and protection conditions for convenient monitoring. 

Supporting CAN2.0 and RS485 communication, the AI-W5.1-B integrates smoothly with leading hybrid inverters and smart energy platforms. With extensive certifications including IEC62619, VDE2510-50, UL1973, UL9540A, CEC, FCC, and CE, plus a 10-year warranty and 16 MWh energy throughput, it is ideal for modular residential storage, backup support systems, and expandable PV energy solutions. 

Technical Specifications Feedback
Parameter Item Specification
Recommended Depth of Discharge 90%
Dimension (W x H x D) 720 × 255 × 300 mm
Approximate Weight 53 kg
Master LED Indicator Battery module: 3 LED (working, alarming, protecting)
IP Rating of Enclosure IP65 (after stacking)
Operating Temperature Charge: 0~55°C (-20°C~55°C optional heating)
Discharge: -20°C~55°C
Storage Temperature 0°C~35°C
Relative Humidity 5%~95%
Altitude ≤3000 m
Cycle Life ≥6000
Installation Type Floor-Mounted
Communication Protocol CAN2.0, RS485
Warranty Period 10 years
Energy Throughput 16 MWh
Certification UN38.3, IEC62619, CE, UKCA, VDE2510-50, CEI0-21, CE-LVD, CEC, FCC, UL1973, UL9540A
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