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Deye AI-W5.1-B — is a modern modular lithium iron phosphate (LiFePO₄) battery designed for energy storage systems in residential and commercial facilities. It provides high safety, long service life, efficiency and stability even in difficult operating conditions.
The AI-W5.1-B model is characterized by a flexible architecture — up to 6 modules can be combined in parallel, forming a system with a capacity of up to 30.72 kWh. The battery is equipped with an intelligent BMS management system that monitors temperature, voltage, current and balances the charge of the cells, ensuring maximum reliability and durability.
Key benefits
- Safe LiFePO₄ technology — cobalt-free, with chemical stability, high thermal resistance and no risk of ignition.
- Smart BMS system — monitoring, cell balancing, automatic protection against overvoltage, short circuit and overheating.
- Modularity and scalability — support for up to 6 batteries in parallel (total capacity 30.72 kWh), easy capacity expansion without additional settings.
- Easy installation — flat, stackable design that supports wall and floor mounting, without complicated cabling.
- High reliability — IP65 protection level, natural cooling, operation in the temperature range from −20 °C to +55 °C.
- Quick connection — automatic connection to the Deye inverter via CAN2.0 and RS485 communication ports.
- Environmentally friendly — non-toxic, environmentally friendly materials, and full recyclability.
- Remote monitoring — support for firmware updates and status monitoring via the Deye Cloud system.
- Long service life — over 6000 charge/discharge cycles at 90% DOD.
Technical specifications
- Battery type: LiFePO₄ (lithium iron phosphate)
- Module capacity: 100 Ah
- Nominal voltage: 51.2 V
- Operating voltage: 43.2–57.6 V
- Energy per module: 5.12 kWh
- Useful energy (90% DOD): 4.6 kWh
- Maximum charging/discharging current: 100-180 A
- Peak current (10 s, 25 °C): 270 A
- Max. number of modules: 6 pcs (30.72 kWh) Recommended depth of discharge (DOD): 90% Service life: >6000 cycles (at 25°C, 0.5°C/0.5°C) Energy throughput: 16 MWh at 70% EOL Communication ports: CAN2.0, RS485 Enclosure protection: IP65 Charging temperature: 0°C
- Discharge temperature: −20–55 °C
- Storage temperature: 0–35 °C
- Humidity: 5–95 %
- Mounting: wall or floor
- Dimensions of one module: 720×255×300 mm
- Weight of one module: 53 kg
Design features
The AI-W5.1-B module can be equipped with AI-W5.1-PDU1-B (power distribution unit) and AI-W5.1-Base (support platform). One set can include from 1 to 6 battery modules installed vertically. The built-in circuit breaker (250A 2P, 1000V DC) ensures electrical safety and convenient system maintenance.
The panel has LED indicators: 5 on the PDU module (SOC 20-100%) and 3 on each battery module (working, alarm, protection). Thanks to the IP65 protection rating, the system is suitable for both indoor and outdoor use.
Applications
- Energy storage systems (ESS) for private homes and businesses.
- Hybrid solar stations with long-term energy reserve.
- Industrial installations where stable power supply is required.
- Systems with limited space or carrying capacity of premises.
- Microgrids and autonomous energy systems.
Total Energo — Deye partner in Ukraine
Total Energo LLC» supplies Deye AI-W5.1-B battery systems with an official warranty, professional installation and service support. We design, integrate and maintain power systems of any complexity — from private solar power plants to industrial energy storage. By choosing Deye, you invest in the stability and independence of your energy.