SLA battery charger

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Tom Smyth Contact options for registered users 's Avatar (by Gravatar) posted on
December 19, 2005, 5:20 am
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What's the cheapest way to make or buy an SLA charger for a smallish (2.6Ah)
battery?

Can I just connect it to a car battery? I assume I'd need some of that
resistive cable stuff, not just connect it straight to the terminals :)

Is it true that these batteries don't overcharge? Can I leave it hooked up
to a random power adapter overnight? The adapter would need to be regulated
right?




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Phil Allison Contact options for registered users 's Avatar (by Gravatar) posted on
December 19, 2005, 5:01 am
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Re: SLA battery charger



"Tom Smyth"
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  **  Buy one WES.

 Arlec  PS664  for circa  $15.




..........  Phil



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Tom Smyth Contact options for registered users 's Avatar (by Gravatar) posted on
December 19, 2005, 5:44 am
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Re: SLA battery charger



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Thanks



Phil Allison Contact options for registered users 's Avatar (by Gravatar) posted on
December 19, 2005, 5:13 am
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Re: SLA battery charger



"Tom Smyth"
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 **  Err   - no .

They explode quite spectacularly if overcharged.


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**  If you wanna wake up with a  BANG !!!


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** No -  it needs to be a  BATTERY  CHARGER  !!


........  Phil




Tom Smyth Contact options for registered users 's Avatar (by Gravatar) posted on
December 19, 2005, 6:15 am
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Re: SLA battery charger



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Sounds like fun!

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Then I would have to wear earplugs.

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Damn. Those things cost money :)



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Ed- Contact options for registered users 's Avatar (by Gravatar) posted on
December 19, 2005, 1:16 pm
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Re: SLA battery charger


a really cheap way is to have a "high" value risistor in series with the
phone line to suck a couple of mA for free!


Tom Smyth Contact options for registered users 's Avatar (by Gravatar) posted on
December 19, 2005, 10:06 pm
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Re: SLA battery charger



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Now we're talking!



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