Cell phones, laptops, e-bikes, scooters, tools — Lithium-ion batteries power much of our daily lives. But when used or charged improperly, they present a significant fire risk in your home. Watch this video, narrated by SDFD Battalion Chief and Hazardous Materials expert Robert Rezende, and remember these three guidelines to keep your household safe and prevent battery-related fires and explosions: 🔋BUY only listed products (look for a safety certification mark) ⚡CHARGE safely (use the right co