A 15kWh lithium battery is a high-capacity energy storage solution, ideal for homes and businesses, that stores 15 kilowatt-hours of energy using lithium-ion cells for high energy density and a long lifespan. These batteries are often designed in modular, stackable racks for easy installation and expansion, and feature advanced battery management systems (BMS) for safety and efficiency. They can be used for solar energy systems, backup power during outages, or off-grid applications.