NiCad (Nickel Cadmium) batteries ruled over the market for years. However, in recent years, they are getting challenged by newer Lithium-Ion batteries. Why? Well, we cannot tell you that in brief. It indeed requires a vivid discussion.

To make the discussion or contrast evident, here, we shall dwell on various respects i.e. their history, electrochemistry, manufacturing cost, environmental impact, applications, and so on. Let’s get them downright!

Voltage

Per cell, the nominal voltage of the lithium-ion batteries is 3.7. However, a battery pack can contain any voltage possible in 3.7-volt steps by using the cells in series.

On the contrary, the nominal voltage of the NiCd cells is 1.2. Compared to alkaline and zinc-carbon primary cells, it is lower than 1.5V. And that’s the reason you won’t find them as a replacement for them in all usage.

Running Time

The type of battery determines the running time for cordless tools. ”Running time” is the amount of work in which a cordless tool can perform void of getting recharged. Some experts measure it by the number of holes a cordless tool can cut before being replugged for charging.

Anyway, in this criteria, lithium batteries are better than NiCd batteries.

Shelf Life

Generally, a li-ion battery lasts around two years, and then it will be no more. It is approximately equal to 1,200 cycles. However, it has an excellent quality. It won’t fail to perform during its entire lifetime!

And usually, the shelf life for nickel-cadmium batteries is three years. It can carry up to 2,000 charges and discharge cycles. Evidently, it shall serve you more than a lithium-ion battery.

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