It is a stackable low-voltage residential energy storage system built around 5.12kWh LiFePO4 battery modules. It is designed for homes that want solar self-consumption, backup-ready storage, and a battery system that can expand over time.
Each AI-W5.1-B battery module provides 5.12kWh of battery capacity.
Deye's official product page lists scalability up to 36 modules, with a maximum system capacity of 184kWh. The final configuration should be designed by a qualified installer.
The official product page lists an IP65 rating and an operating temperature range from -20 C to +55 C. Installation location, weather exposure, mounting, and local electrical requirements should still be confirmed before installation.
Use the official AI-W5.1-B ESS EU/AU brochure and the relevant PDU3 single-phase or three-phase user manual. These documents are included in the download section on this page.
This product page is for the AI-W5.1-B ESS system information. The exact sellable package, PDU, inverter, cables, mounting accessories, and number of battery modules should be confirmed before checkout.

