Re: How do chargers determine what battery pack is installed?
From: John Tserkezis (jt_at_techniciansyndrome.org.invalid)
Date: 07/18/04
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Date: Sun, 18 Jul 2004 15:28:24 +1000
DaveC wrote:
> How do multi-voltage chargers (specifically, cordless power tool battery
> chargers) determine whether the battery pack installed is a 7.2, 9.6, 12,
> 14.4, 18, or 24 volt pack before charging it? If any one of these is quite
> depleted, it won't register its nominal voltage until it's partially charged.
>
>
> Several of the lesser-voltage packs don't have identifying terminals on the
> pack. How does the charger determine what voltage to apply?
There must be some type of key, plastic or otherwise that activates certain
switches depending on the type. Otherwise, there's no way of automatically
telling.
-- Linux Registered User # 302622 <http://counter.li.org>
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