Deye AI-W5.1-B/B-ESS
5.12 kWh stackable battery with IP65 protection, 150A peak current, and auto-networking.
Download PDF Datasheet WhatsApp UsTechnical Specifications
| Parameter | AI-W5.1-B | AI-W5.1-B-ESS |
|---|---|---|
| Electrical / AC Output Data | ||
| Rated AC Power | 2.5 kW | |
| Grid Switching / Transfer Time | — | 4 ms |
| Max Current | 100 A | — |
| Max Parallel Units | 1 | |
| Nominal Voltage | 51.2 V | |
| Operating Voltage Range | 44.8~57.6 V | |
| Peak Current | 150 A | — |
| Energy Throughput | 16MWh ( Battery Module @70%EOL)| kWh | |
| Module Nominal Voltage | 51.2 V | |
| Status Indicator | PDU1 module: 5LED(SOC:20%~100%)&3LEDprotecting) (working, alarming, | |
| Battery Data | ||
| Battery Energy Capacity | 5.12 kWh | |
| Capacity | — | 5-30 kWh |
| Max System Capacity | 30.72 kWh | — |
| System Energy | 5.12 kWh | |
| Usable Energy | 5.12 kWh | 4.6 kWh |
| Battery Type / Chemistry | LiFePO, | LiFePO₄ |
| Cycle / System Efficiency | — | 97.6% |
| Cycle Life | > 6000 ( 25°C‡2°C, 0.5C / 0.5C, 90%DOD, 70%EOL) cycles | |
| End-of-Life Capacity | — | 70% |
| Max Continuous Charge/Discharge Current | Max. 100 | |
| Module Capacity | 100 Ah | |
| Module Energy | 5.12 kWh | |
| Number of Battery Modules | 1(Min.) | |
| Recommended Charge/Discharge Current | 50 A | — |
| Recommended DoD | 90% | |
| Scalability / Max Expandable Capacity | — | Up to 36 modules (184kWh) |
| Protection Features | ||
| IP Rating | IP65 | |
| Built-in Circuit Breaker | 125A 2P, 60Vdc | — |
| Mechanical Data | ||
| Cooling | Natural Cooling | — |
| Design / Form Factor | — | Flat, stackable |
| Installation / Mounting | Floor-Mounted | |
| Operating Conditions | ||
| Max Altitude | <3000m | |
| Operating Temperature | Charge : 0°C~55°C (-20°C~55°C when heating on) / Discharge :-20°C~55°C | |
| Relative Humidity | 5% ~ 95%, non-condensing | |
| Storage Temperature Range | 0°C~35°C | |
| Communication | ||
| Communication Interface | CAN2.0, RS485 | |
Note: Specifications are based on the official Deye AI-W5.1-B/B-ESS datasheet. Values may be subject to change; always verify against the latest manufacturer documentation before system design and procurement.
Configurations & shipping weights
| Configuration | Weight | Dimensions (W × D × H) |
|---|---|---|
| AI-W5.1-B | 74.5 kg | 720 × 255 × 569 mm |
| AI-W10.2-B | 127.5 kg | 720 × 255 × 850 mm |
| AI-W15.3-B | 180.5 kg | 720 × 255 × 1131 mm |
| AI-W20.4-B | 233.5 kg | 720 × 255 × 1412 mm |
| AI-W25.6-B | 286.5 kg | 720 × 255 × 1693 mm |
| AI-W30.7-B | 339.5 kg | 720 × 255 × 1974 mm |
This listing covers several shippable configurations. Each row is the manufacturer's stated figure for that build; the page weight above is the smallest one, which is what a single unit ships at.
Availability & grid compliance in Egypt
| Market | Egypt |
| Grid authority / regulator | EgyptERA, NREA |
| Quotation currency | EGP |
| Support hours timezone | Africa/Cairo |
| Delivery & installation coverage | Cairo, Alexandria, Giza, Aswan |
Figures on this page are the manufacturer's own, measured at the test conditions the datasheet states — they do not change by country. What changes is the approval that has to be met before the unit is energised: in Egypt that is EgyptERA, NREA. Confirm the grid code, import requirements and any local certification with them, or with us, before you order.
Key Features & Technical Highlights
- 100% Usable Energy: Full 5.12 kWh available
- IP65 Protection: Indoor and outdoor rated
- 150A Peak Current: High power for demanding loads
- Stackable to 30.72 kWh: Up to 6 units stacked
- Auto-Networking: No wiring needed between units
- 125A Circuit Breaker: Built-in safety protection
- All-in-One: Inverter + battery integrated
- 4ms Switching: Swift energy security
- Scalable to 184kWh: Up to 36 modules
- Smart Management: Peak-shaving & load control
- AC Coupling: Retrofit existing systems
Frequently Asked Questions
What inverters is the DEYE AI-W5.1-B compatible with?
The AI-W5.1-B pairs with DEYE hybrid and off-grid inverters and most 48V-architecture inverters that support its battery type setting. Confirm the inverter's battery-type (Batt-V) configuration matches before installation.
Is the DEYE AI-W5.1-B suitable for hot climates like the Gulf?
Yes. The AI-W5.1-B uses LiFePO4 chemistry with a BMS and thermal management designed to operate safely in the high ambient temperatures common across the Middle East and Africa.
What makes the AI-W5.1-B unique?
The AI-W5.1-B offers 100% usable energy (no DoD limitation), auto-networking without wiring, and a flat stackable design for easy floor-mounted installation.
What regions is it available in?
The AI-W5.1-B is available in EU, NA (North America), and AU (Australia) with appropriate certifications for each region.
Is the DEYE AI-W5.1-B-ESS suitable for hot climates like the Gulf?
Yes. The AI-W5.1-B-ESS uses LiFePO4 chemistry with a BMS and thermal management designed to operate safely in the high ambient temperatures common across the Middle East and Africa.
What makes this all-in-one?
The AI-W5.1-B-ESS integrates a hybrid inverter and LFP battery in one unit, eliminating the need for separate components and simplifying installation.
How do I control it?
The system can be controlled via App, PC, or Touch-Display for comfortable and easy operation, with remote monitoring and firmware upgrade capabilities.