At 07:21 PM 8/7/99 +0200, you wrote:
>A friend of mine got his brand new (US version) Sharp MT821 portable
>recorder last week. After few charge/discharge cycles he tried how long does
>the battery last while playing MDs. He did that test with original
>headphones and volume set on 15. The manuals say that the battery should
>last 11.5 hours on playback, but he barely squeezed 6 hours out of it. The
>player was sitting on a table and no vibrations were applied.
He didn't deep discharge the battery did he? That could easily reduce the
capacity of a Lithium ion battery quite markedly, as I understand it.
Lithium ion batteries should be recharged whenever possible, and should not
be allowed to go flat (as is recommended for Nickel Cadmiums, which have a
strong memory effect).
--
Archer
http://www.geocities.com/SoHo/6413/
End.
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