5.12 kWh Capacity
100Ah nominal capacity with efficient LiFePO4 chemistry

5.12 kWh Low Voltage LiFePO4 Battery with 6000+ cycle life and IP20 protection.
The Deye SE-G5.1 is a high-performance LiFePO4 battery designed for efficient energy storage, ideal for residential and commercial applications. Built with safety and scalability in mind, it delivers consistent power while supporting long-term use. Expandable up to 64 units in parallel for a maximum of 327 kWh storage capacity.
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Read: Why Deye Inverters Survive Saudi Heat: IP65, 60 °C Tolerance & Desert-Tested Performance →You can connect up to 64 SE-G5.1 units in parallel, providing a maximum storage capacity of 327 kWh. This makes it suitable for both residential and small commercial installations.
The SE-G5.1 is designed to work with DEYE hybrid inverters and other compatible 48V low-voltage inverter systems. It features CAN2.0 and RS485 communication for seamless BMS integration.
With proper use at 80% depth of discharge, the SE-G5.1 offers over 6000 charge cycles. This translates to approximately 15-20 years of service life under normal residential usage patterns.
The SE-G5.1 has an IP20 rating, which means it should be installed in a protected indoor environment or weatherproof enclosure. It's not designed for direct outdoor exposure.