on 2/7/04 3:07 AM, Tim Hodgson at [EMAIL PROTECTED] wrote: > On Saturday 07 Feb 2004 5:50 am, Bruce Mitchell wrote: > >> My Mac guru advises that it is wise not to keep a PB plugged in all the >> time but instead let the battery run down fully at least every few weeks, >> that doing so will actually enhance the life span of the battery. He seems >> to be correct, as with every PB I have owned I have had spare batteries for >> the other bay which get little use and they always die long before the main >> battery which I let wear down periodically. > > This depends on which type of battery you're talking about. I think what you > say is correct for Ni-Cads, but my understanding is that the life of Li-on > batteries, as used in the pismo, is determined by the number of 'deep > discharges', i.e. running the battery down fully. So it's better _not_ to let > it run down fully any more than you have to. > > Sorry I can't provide a source for this claim; my PB, containing the relevant > URL, is being fixed by Apple at the moment! > > TimH > My Lombard also uses Li-on so that's what he was talking about.
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