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About Batteries

Learn more about the types of batteries being used and how best to manage them.

Nickel Cadmium (NiCd)


  • Rechargeable battery
  • Used a broad range of handheld devices


  • Nickel, cadmium, steel, plastic

Risks / hazards

  • Exposure to cadmium – a toxic substance
  • Disposal to landfill can lead to local environmental contamination

Storage of used button cell batteries in the home

  • Cover terminals with tape to prevent short circuit and minimise risk of fire
  • Store out of reach and stored out of each of children

The photo above shows some examples of used NiMh batteries along with examples of how to protect the terminals.


  • Used Ni-Cd batteries are recyclable, with a diversion rate from landfill of over 95%.
  • Nickel, cadmium, steel & plastics are recovered



UN Number

  • 2795


  • None known

Legal requirements

  • Ni-Cd batteries are a controlled waste. A waste storage licence and a waste transport licence are required in most jurisdictions. Interstate transport must be tracked, and some jurisdictions require intrastate tracking as well.
  • Batteries must be packaged and transported in accordance with the Australian Dangerous Goods Code (ADG).
  • The export of used batteries requires a permit from the Australian Government. Further information on hazardous waste exports including current permit holders is available on the Department of Climate Change, Energy, the Environment and Water website.

Health and safety

  • Cadmium is a toxic metal. Cannot be disposed of in landfills
  • High self-discharge; needs recharging after storage