Household batteries

 
Alkaline batteries
  • Alkaline batteries manufactured in the United States no longer contain mercury.
    • These batteries can be disposed of in the regular trash.
  • Batteries often still have some charge left when disposed.
    • Place a piece of tape securely over each terminal end of the alkaline battery before placing it in the trash, or place individual batteries in a strong plastic zip-top bag before placing in the trash.
 
Rechargeable batteries
  • Includes nickel cadmium (ni-cad), nickel metal hydride (ni-mh), lithium (li), most button (Hg) and small sealed lead-acid (Pb) batteries.
  • The best option is to recycle these batteries.
  • Many stores participate in the national call2recycle program.
  • Many household hazardous waste collection events and programs accept rechargeable batteries.
  • If you must dispose of batteries in the trash, place a piece of tape securely over each terminal end of the battery before placing it in the trash, or place individual batteries in a strong plastic zip-top bag before placing in the trash.
 
Automotive batteries
  • Automotive lead-acid batteries are prohibited from disposal in Colorado landfills. They're generally turned in for recycling at the time a replacement battery is purchased.
  • Some battery retailers will accept additional automotive batteries for recycling even if you don't make a purchase.
  • Some household hazardous waste collection programs accept automotive batteries.