TheHYXI Halo 3 kWh Expansion Battery is an expansion module for the HYXI Halo Plug&Play 3.0kWh. This expansion increases the total storage capacity of the HYXI Halo from 3 kWh to 6 kWh. The battery uses safe and stable LiFePO4 technology and is designed for easy coupling. Ideal for customers who want to scale up their energy storage without installing a completely new system.