What is another word for nickel-cadmium accumulator?
Pronunciation: [nˈɪkə͡lkˈadmi͡əm ɐkjˈuːmjʊlˌe͡ɪtə] (IPA) 
A nickel-cadmium accumulator is a type of rechargeable battery that uses nickel and cadmium as its electrodes. There are various synonyms for the term nickel-cadmium accumulator, including NiCad battery, NiCd cell, nickel-cadmium rechargeable battery, and NiCad accumulator. These terms are often used interchangeably to refer to the same type of battery. NiCad batteries were once very popular due to their durability and high energy density, but their use has declined in recent years due to concerns about the toxicity of cadmium and the availability of newer and more efficient battery technologies. Despite this, nickel-cadmium accumulators still have a place in many industrial and military applications where their ruggedness and reliability are valued.
