Battery Categories
Alkaline batteries (AAA, AA, C, D and 9 volt)
Since 1994, most types contain no added mercury, and only contain trace amounts that are not hazardous.
These batteries can be put in the trash
Nickel-cadmium rechargeable batteries (NiCads) exist in many sizes and shapes and marked RECHARGEABLE.
Some may be built into rechargeable appliances.
NiCad contain cadmium, a metal that is toxic to humans when inhaled or ingested. Recycle Do Not dispose of in the trash.
Button batteries (small, round, silver-colored, used in watches and hearing aids):
Many button batteries contain mercury, a metal that is toxic to humans when inhaled or ingested.
Many stores selling watches or hearing aids will accept spent button batteries. Do Not dispose of in the trash.
Hold for Household Hazardous Waste Day or recycle it at the transfer station. Do not dispose of in the trash
Lithium batteries (AA, C, 9 volt and button; mainly used in computers and cameras).
Lithium is reactive with water, and has caused serious fires.
Hold for Household Hazardous Waste Day or recycle at the transfer station. Do not dispose of in the trash;
