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The Ni Cd contains toxic metals and is environmentally unfriendly.
Nickel-Metal Hydride (Ni MH) — has a higher energy density compared to the Ni Cd at the expense of reduced cycle life. Applications include mobile phones and laptop computers.
The mobile phone industry is an example of clever adaptation.
Emphasis is placed on small size, high energy density and low price. The inscription of Ni MH on a battery pack does not automatically guarantee high energy density.
Lead Acid — most economical for larger power applications where weight is of little concern.
We collect statistics on income from the websites thus allowing the operators to see how much they’ve earned.You have an opportunity to test the product we offer.Modestly speaking, we have the longest list of the websites that are supported by our programs.High durability Ni MH batteries, which endure 1000 discharges, are commonly packaged in bulky cylindrical cells.The energy density of these cells is a modest 70Wh/kg. Li‑ion packs are being produced for defense applications that far exceed the energy density of the commercial equivalent.In comparison, a cylindrical Ni MH offers energy densities of 80Wh/kg and higher.Still, the cycle count of this battery is moderate to low.Unfortunately, these super-high capacity Li‑ion batteries are deemed unsafe in the hands of the public and the high price puts them out of reach of the commercial market.In this article we look at the advantages and limitations of the commercial battery.The Ni Cd is used where long life, high discharge rate and economical price are important.Main applications are two-way radios, biomedical equipment, professional video cameras and power tools.