Nickel cadmium battery:A nickel cadmium battery (NCB) is a type of rechargeable battery that uses nickel and cadmium as its electrodes. NCBs are typically used in portable electronic devices, such as mobile phones and laptop computers.NCBs have several advantages over other types of batteries, including their high energy density and long life span. However, NCBs also have some disadvantages, such as their high cost and environmental concerns associated with cadmium disposal.
