Deye’s PDU1 is a BMS module for use in AI-W5.1-B battery stacks or can be used for parallel stacks for their AI-W5.1-B-ESS All-In-One system.
Supporting up to 30.72kWh in a single stack, the AI-W5.1-B series of energy storage is versatile, compact, and easy-to-install, stacking together with completely cableless connection between each module.