The modular design allows for scalable capacity from 5. 5kWh, making it adaptable to a wide range of energy needs and future expansion. Discover the Deka Duration DD5300, a powerful and flexible Lithium battery system for residential and commercial energy. . Lithium Iron Phosphate (LiFePO4) batteries are emerging as a popular choice for solar storage due to their high energy density, long lifespan, safety, and low maintenance. Lithium iron phosphate use. . Solar energy, as a clean and sustainable resource, is complemented by efficient storage technologies that allow for reliable energy supply, even when the sun is not shining. Here's a detailed look at how these batteries are applied in solar energy systems: Safety: Lithium. .