Deye's low-voltage residential battery range covers the SE-G5.1, SE-G5.1 Pro-B and stackable AI-W5.1-B modules: 51.2 V LiFePO4 packs of 5.12 kWh each, scalable up to 64 units in parallel for a maximum capacity of 327 kWh. The SE-G5.1 Pro-B delivers up to 100 A continuous charge/discharge (150 A peak) with a built-in 125 A circuit breaker, while the AI-W5.1-B stacks tool-free into towers of up to six modules.

All modules use cobalt-free LFP chemistry rated for more than 6,000 cycles (70% EOL) with an intelligent BMS, CAN2.0/RS485 communication and wall, floor or 19-inch rack mounting. The Pro-B and AI-W5.1-B carry a 10-year warranty (5 years for the SE-G5.1) and pair natively with Deye low-voltage hybrid inverters, with remote monitoring via Deye Cloud.