Re: How do chargers determine what battery pack is installed?
From: Ken Smith (kensmith_at_rahul.net)
Date: 07/18/04
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Date: Sun, 18 Jul 2004 13:47:59 +0000 (UTC)
In article <40fa0a56$0$16107$afc38c87@news.optusnet.com.au>,
John Tserkezis <jt@techniciansyndrome.org.invalid> wrote:
>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,
[...]
> 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.
Many use the voltage of the discharged battery to identify the
battery. If you run the battery stone cold flat, it won't charge it.
-- -- kensmith@rahul.net forging knowledge
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