MadSci Network: Engineering

Re: Is it true that a cellular phone battery should be discharged?

Date: Mon Jun 12 15:20:50 2000
Posted By: Gus Calabrese aka puppet boy, Design Engineer
Area of science: Engineering
ID: 959945537.Eg

There are three kinds of batteries that one might expect to encounter in 
cell phones : Nickle Cadmium (NiCd), Lithium Ion (LiON), and Nickle Metal 
Hydride (NiMH).  Newer phones use LiON.

Of the three, only NiCds require a periodic discharge.  NiCads have an 
unwanted memory feature.  NiCads remember their discharge cycles and if you 
don't fully discharge them from time to time, they will not supply power to 
their rated level.

See for 
more info.

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