lead-acid batteries

Lead-acid batteries are rechargeable energy storage devices commonly used in vehicles and backup power systems. They consist of lead dioxide and sponge lead plates submerged in an electrolyte solution of sulfuric acid. When charged, chemical reactions between the materials store energy. When the battery discharges, it releases this energy to power devices. Lead-acid batteries are valued for their reliability and cost-effectiveness but can be heavy and less efficient than newer battery technologies like lithium-ion. They are widely used in cars, trucks, and uninterruptible power supplies (UPS) due to their ability to deliver high current.