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A+ Certification Study Guides: Upgrading A PC

Laptop Power sources (Cont...)
Lithium-ion

A type of battery made of Lithium. Also the lightest metal having the highest electrochemical potential. Lithium as a metal is unstable. So Lithium-Ion batteries are made from Lithium ions from chemicals.

This is the fastest growing battery system for portable devices such as laptops as they offer high-energy density and low weight.

Using various energy densities, Lithium-ion batteries can be produced. Though commercial lithium-ion batteries are safe, super-high capacity lithium ion for defense applications are not approved for general use due to safety reasons.

Some of the main features are:

  • These batteries have a longer life span than Nickel Cadmium or Nickel Metal-Hydride batteries.

  • These batteries are more expensive than any of its counterparts.

  • Lithium-Ion batteries do not use poisonous metals, such as lead, mercury or cadmium.

  • The only disadvantage to Lithium-Ion batteries is that they are currently more expensive than other battery types.

 
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