Waste lead-acid batteries pose a threat to our environment and should be properly managed for disposal.Harmful substances make up most of the ingredients of this product, which can penetrate into our waterways and pollute our future resources.Some local agencies have now enacted regulations to properly manage this material for the recycling of used lead-acid batteries.Waste batteries may be considered hazardous waste due to their corrosiveness, reactivity or toxicity.According to the battery-An industrial source for the production of nickel-cadmium batteries, usually with hazardous waste properties, while low mercury alkaline and carbon-No zinc batteries.Alkaline batteries with high mercury concentration and larger mercury batteries may be tested as hazardous batteries, and some lithium batteries may be considered reactive batteries.Lead-acid batteries are considered corrosive and toxic.(Gel batteries, a subset of lead-acid batteries, should be treated the same way.) Depending on the type and size of the button battery, the button battery may or may not be tested as a dangerous battery.Lead-acid batteries consist of plates, lead and lead oxide with 35% sulfuric acid and 65% aqueous electrolyte solutions.Lead-acid batteries account for nearly 60% of the batteries sold worldwide.They are used for start-up, lighting and Ignition (SLI) services on cars and trucks, as well as powering cars, forklifts, submarines and almost all other power vehicles.Lead-acid batteries are known for being able to withstand various forms of abuse and are often used as backup batteriesIf the main battery or power supply fails, start the power supply.Lead-acid batteries use a simple set of reactions to provide energy.All types of these batteries use the same active material.The positive electricity is extremely lead dioxide (PbO2), converted into lead sulfate (pbso 4), and the negative electricity is extremely sponge-like lead (Pb), and it is also converted into lead sulfate (pbso 4 ).Electrolyte is a dilute sulfuric acid mixture that provides sulfuric acid ions for the discharge reaction.There are three common types of lead-acid batteries: Submerged (or damp), absorbing glass pads (AGM), and gel batteries.A submerged (or wet) lead-acid battery is a battery in which an electrode/plate is immersed in an electrolyte.Since the gas generated during charging is discharged into the atmosphere, distilled water must be added occasionally to restore the electrolyte to the desired level.The most common example of flooded lead-acid batteries is 12 v car batteries.