Nickel-cadmium batteries and Nickel-metal hydride batteries are two classes of chemical bases used for battery cells. These can be of any size and power, although these differences will influence their power.
NiMH batteries can be recharged at any time during the cycle without affecting battery performance.
The nickel-cadmium battery is used in domestic and industrial environments, although they are losing popularity compared to NiMH batteries, since Cadmium is a polluting element.
Among their differences: