Deye AI-W5.1-B Energy Storage System
The Deye AI-W5.1-B ESS is a modular battery storage solution designed for flexible and reliable energy management.
The system is designed to work seamlessly with Deye inverters, providing safe and efficient communication between the battery and inverter for improved system performance.
Why Choose Deye AI-W5.1-B ESS?
5-in-One Smart Integrated Design
The Deye AI-W5.1-B ESS integrates five core components into one system, simplifying installation, reducing wiring requirements, and improving reliability.
Smart Energy Management System (EMS)
The intelligent EMS manages multiple energy sources, including solar, grid, diesel generation, and emergency power supply for flexible energy control.
Flexible Battery Expansion
The modular battery design allows capacity expansion as energy requirements grow, providing a scalable storage solution.
Smart Commissioning with Deye Cloud
Deye Cloud enables remote monitoring, system management, and easier commissioning for homeowners and installers.
Deye SE-G5.1 Pro-B
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
Safer
- Cobalt Free Lithium Iron Phosphate (LFP) Battery: Safety and long Lifespan, high efficiency and high power density
- Intelligent BMS, providing complete protection
Convenient
- Battery module auto networking, easy maintenance, support remotely monitoring and upgrade, support USB drive upgrade the firmware.
Reliable
- Support high discharge power
- IP20, natural cooling
- Wide temperature range: -20°C to 55°C
Eco-Friendly
- Use environmental protection materials, the whole module non-toxic, pollution-free
Deye 10.2 kWh Wall-Mounted Battery | RW-F10.2
Safe and Reliable
- LFP Battery with intelligent BMS for protection
- Monitors voltage, current, and temperature
Easy Installation
- Wall-mounted and floor-mounted options
Long Service Life
- 1C/1.2C continuous charge/discharge
- BMS balances cell charging to extend cycle life
Flexible Expansion
- Supports up to 32 units in parallel
- Compatible with Deye inverters and multiple expansion methods
GB-L Lite / Plus / Ultra Residential ESS Solutions
- Modular, scalable design for easy expansion
- Self-balancing technology for better battery consistency
- Smart Deye BMS+EMS control with cloud monitoring
- 75A continuous output for stable performance
- IP66 protection and wide temperature tolerance
- Built-in safety protection and long cycle life
- High energy density with space-saving stacking
- Suitable for residential and small C&I use
Utility-Scale ESS Solution Deye winter WS Series
Integrated Technology
- LC, PCS, MPPT, and battery integrated into one system.
- EMS for system management.
- ATS for on-grid/off-grid switching.
- 1 MW PCS output and 1.6 MWp solar input.
- System energy capacity: 2057 kWh.
- System size: 20 ft; weight: 25,000 kg.
High Performance
- 1.1x overload and 1.5x overload capability.
- Maximum round-trip efficiency (RTE): 88.5%.
- System operating conditions: -20°C to 55°C.
- IP54 protection and C4-M corrosion resistance.
- Supports two PCS units and 2 MW off-grid operation.
Advanced Safety
- 2-hour fire resistance.
- Combustible gas detection, smoke evacuation, aerosol extinguishers, and water sprinklers.
Flexible Applications
- Supports black start functionality.
- Supports off-grid operation and backup power.
- Supports peak shaving.
- Supports transformer capacity control.
Deye 5.12 kWh Expandable Wall-Mounted Battery
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. IP65, natural cooling, wide temperature range: -20°C to 55°C.
Flexible
- Modular design, easy to expand, Max. 6 clusters in parallel (36 pcs), Max. capacity of 184kWh.
- Suited to residential and commercial applications for increasing the self-consumption ratio.
Convenient
- Battery module auto networking, easy maintenance, support remotely monitoring and upgrade the firmware.
Eco-Friendly
- Use environmental protection materials, the whole module non-toxic, pollution-free.
Quick Installation
- Flat and stackable design, support wall-mounted & floor-mounted, no wiring, rapid and easy installation.
Deye 61.4kWh LFP Battery Energy Storage Solution
- Core Specs: LiFePO₄ cells, 61.44 kWh system energy, 55.29 kWh usable energy
- Safety & Protection: Total protection (gas/smoke/temp detection, exhaust, alarm), 5-level safety, aerosol fire suppression for LFP components
- Technology & Flexibility: EMS/inverter/BMS integration, power redundancy, black start/off-grid support, up to 3600 kWh off-grid expansion
- Durability: ≥6000 cycles, 10-year warranty, 70% EOL capacity
- Certification & Environment: UN38.3/CB/CE/CEC/IEC 62040 certified, adaptable to diverse conditions
Deye BOS-G Pro
- Convenient installation: 19-inch embedded standard module, easy forinstallation and maintenance
- Safe and reliable: Uses LiFePO₄ cathode material with safety, long cycle life, low self-discharge (up to 6 months, no memory effect, good shallow charge/discharge performance), supports aerosol fire extinguishing
- Intelligent BMS: Provides over-discharge, over-charge, over-current, over-high/low temperature protection; automatically manages charge/discharge and balances cell voltage/current
- Flexible configuration: Multiple modules can be paralleled for capacity/power expansion
- Eco-friendly: Non-toxic, non-polluting
- Wide temperature range: -20°C to 55°C with excellent discharge and cycle performance
BOS-G High Voltage Battery 5.12 kwh battery module
- High-performance Battery: Utilizes LiFePO₄ cell chemistry for reliability
- Flexible Configuration: Supports 3-12 battery modules in series, with module energy at 5.12 kWh, nominal voltage 51.2 V, and capacity 100 Ah
- Efficient Power & Energy: Offers rated DC power up to 61.44 kW, system energy up to 61.44 kWh, and usable energy up to 55.29 kWh
- Wide Temperature Range: Works in charge 0 -55°C, discharge -20 -55°C; stores at 0 -35°C
- Smart Monitoring & Control: Features status indicators (yellow for high voltage, red for alarm) and CAN2.0/RS485 communication
BOS-G High Voltage Battery Standard High/Low rack
- High-performance Battery: Utilizes LiFePO₄ cell chemistry for reliability
- Flexible Configuration: Supports 3-12 battery modules in series, with module energy at 5.12 kWh, nominal voltage 51.2 V, and capacity 100 Ah
- Efficient Power & Energy: Offers rated DC power up to 61.44 kW, system energy up to 61.44 kWh, and usable energy up to 55.29 kWh
- Wide Temperature Range: Works in charge 0 -55°C, discharge -20 -55°C; stores at 0 -35°C
- Smart Monitoring & Control: Features status indicators (yellow for high voltage, red for alarm) and CAN2.0/RS485 communication
BOS-B Pro-A3 Battery module
- 0 ms Seamless Transfer: Online UPS architecture ensures uninterrupted power supply with true 0 ms transfer time.
- Strong Overload Capability: Supports 2 × peak power output for 15s in off-grid mode, ensuring reliable startup of heavy loads.
- Flexible Expansion: 100/125kW PCS units enable system scalability up to 2.5 MW.
- Large Energy Storage: Up to 257 kWh per battery cluster, supporting up to 16 clusters per PCS.
- Retrofits Made Easy: Supports both DC and AC coupling, for flexible retrofits and system expansions.
- Integrated EMS: Supports zero-export, TOU optimization, peak shaving and demand management.
- Flexible Control: Local touchscreen control and remote monitoring via Deye Cloud.
- Advanced Battery Safety: Combines LiFePO₄ battery technology with integrated module-level aerosol fire suppression for enhanced battery safety.
BOS-G High Voltage Battery cluster control box
- High-performance Battery: Utilizes LiFePO₄ cell chemistry for reliability
- Flexible Configuration: Supports 3-12 battery modules in series, with module energy at 5.12 kWh, nominal voltage 51.2 V, and capacity 100 Ah
- Efficient Power & Energy: Offers rated DC power up to 61.44 kW, system energy up to 61.44 kWh, and usable energy up to 55.29 kW
- Wide Temperature Range: Works in charge 0 -55°C, discharge -20 -55°C; stores at 0 -35°C
- Smart Monitoring & Control: Features status indicators (yellow for high voltage, red for alarm) and CAN2.0/RS485 communication
BOS-B-PDU-2-A BMS module
- 0 ms Seamless Transfer: Online UPS architecture ensures uninterrupted power supply with true 0 ms transfer time.
- Strong Overload Capability: Supports 2 × peak power output for 15s in off-grid mode, ensuring reliable startup of heavy loads.
- Flexible Expansion: 100/125kW PCS units enable system scalability up to 2.5 MW.
- Large Energy Storage: Up to 257 kWh per battery cluster, supporting up to 16 clusters per PCS.
- Retrofits Made Easy: Supports both DC and AC coupling, for flexible retrofits and system expansions.
- Integrated EMS: Supports zero-export, TOU optimization, peak shaving and demand management.
- Flexible Control: Local touchscreen control and remote monitoring via Deye Cloud.
- Advanced Battery Safety: Combines LiFePO₄ battery technology with integrated module-level aerosol fire suppression for enhanced battery safety.
CEC Listed for Australia
The Deye AI-W5.1-B ESS range is CEC listed in Australia, confirming that the system meets Australian technical, safety, and grid connection requirements.
CEC listing also enables eligible installations to access applicable government rebates and incentive programs.
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