The Tesla Powerwall is a rechargeable lithium-ion battery designed for home energy storage. It allows homeowners to store electricity generated from renewable sources, such as solar panels, for later use. This helps reduce reliance on the grid and can provide backup power during outages. The Powerwall can be integrated with a solar energy system, enabling users to maximize their energy efficiency. It features a sleek design and can be mounted on walls or floors. With a capacity of 13.5 kWh, it can power essential appliances and devices, making it a popular choice for energy-conscious households.