Flooded lead-acid battery

A flooded lead-acid battery is a type of rechargeable battery where liquid sulfuric acid and lead plates work together to produce electricity. During use, chemical reactions generate power, but the battery also releases gases and water, which can evaporate. To maintain proper levels of water and ensure safety, the battery requires regular maintenance—adding distilled water when needed. This design is common in vehicles like cars, offering reliable performance and cost-effectiveness, but it needs proper ventilation and maintenance due to the gases produced during charging and discharging.