Lithium Ion Vs Batrei Batrei nickel (NiCad)

In this blog I purposely limit the use of languages ​​is too technical, d this blog I want to give more info to the benefit of the advantages and disadvantages of a product, its reasons for that is by the use of technical language is often added to confuse consumers. I prefer to use simple technical language based on usability and product benefits. With the presentation clear and concise review in accordance poit poit-catalog according to product, I think it would be better to give advice as dirct in decision-making buyers. Like his conton yesterday, there is a consumer to ask about the 'why Batrei Lithium Ion battery is more expensive than nickel-based Batrei (Nickel cadmium / NiCad)? I explain that a little Batrei lithium ion has the ability to save energy 40% greater than in Batrei made ​​from nickel (NiCad). Lithium ion batteries have the advantage of the ability to receive back the energy (cost), while Batrei made ​​of nickel after it is used can not refill again. This question arises when they (consumers) find this term in the product catalog.. This question arises when they (consumers) find the term in the product catalog.