Abstract
The following quote was obtained by the news editors from the background informa tion supplied by the inventors: 'Users may employ a wide variety of electronic d evices that rely on battery power. Users typically want these batteries to have sufficient capacity and charge to power usage of the device between charging opp ortunities. Thus, such devices may be plugged in to an external power source, su ch as AC mains power, whenever possible. However, at least some battery technolo gies may exhibit increased wear when charged to high states of charge relative to their full charge capacity. Thus, battery wear may be reduced, and battery cap acity may be preserved by reducing the amount of time that the battery spends at high states of charge.'
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