Lithium batteries are rechargeable batteries that use lithium ions to store energy. They're known for their: 1. High energy density 2. Long lifespan 3. Fast charging capabilities 4. Lightweight design Lithium batteries power many devices, including: 1. Smartphones 2. Laptops 3. Electric vehicles 4. Renewable energy systems They're a crucial technology for modern electronics and sustainable energy solutions. | Top 10 Electronics