Battery Chargers Hazardous Waste Recycle with E-Waste Never Throw in the Garbage Battery chargers are banned from the trash because they contain metals and corrosive chemicals that contaminate the environment if not properly processed. Lithium-Ion Batteries Cause Fires Battery chargers can contain lithium-ion batteries, which are sensitive and can start fires when put in the garbage or curbside recycling. Always dispose of rechargeable batteries and devices properly to keep sanitation workers safe. Did You Know? Rechargeable Devices Start Garbage and Recycling Fires All rechargeable devices contain rechargeable batteries. These batteries are sensitive to contact and pressure, so if they get tossed in the garbage or regular recycling, they can easily start fires in garbage trucks or at recycling facilities. Keep sanitation workers safe by making sure your electronic devices are disposed of properly.