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   alt.electronics      Electronics design, repair, worship, etc      7,706 messages   

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   Message 6,838 of 7,706   
   Damian to Rod Speed   
   Re: How to smart charge with a regulated   
   05 Jan 14 20:46:17   
   
   XPost: aus.cars, aus.cars.offroad, aus.computers   
   XPost: aus.electronics   
   From: damian_andrews75@yahoo.com.au   
      
   "Rod Speed"  wrote in message   
   news:bisa42Fda10U1@mid.individual.net...   
   > Damian  wrote   
   >   
   >> Hi Guys,   
   >   
   > Wot abart us animals, boyo ?   
      
   Yeah,  I was trying to address you monkey as well.   
   Thought you might be holidaying the Turks. :-)   
      
   >   
   >> I have a regulated power supply that I've built from scratch back when I   
   >> was in 'school'.   
   >> It's a 0-24V regulated power supply with upto 5 amp.   
   >> There are two settings, 1A and 5A. Also the amps can be controlled via a   
   >> turn knob(potentiometer).   
   >   
   > Presumably you mean the current limit.   
      
   Yes.   
      
   >   
   >> Also a separate potentiometer for voltage control.   
   >   
   >> My aim is to use this unit for 'smart charging' a 12V, 6V lead acid, agm,   
   >> etc batteries.   
   >   
   > You'd be a lot better off with a decent modern   
   > lead acid battery charger for peanuts from china.   
      
   Hey Rod, It's hard to get a good quality AGM smart charger for peanuts.   
   By peanuts I meant, under $50. The ones under that price aren't usually that   
   good.   
   But, if you know a link to a good one, do let me know.   
      
   >   
   >> How do I do that with this unit?   
   >   
   > You can't with the smart bit. All it can do is the stupid charging.   
      
   Yeah, I know. But, I was stupid enough to cook the good quality expensive   
   smart charger I had,   
   now I can't spend again on a good unit.   
   >   
   >> It's ok for me, to having to walk to the unit every half hour or so, to   
   >> adjust the settings to replicate the multi-stage battery charging.   
   >   
   > That’s nothing like real smart charging.   
      
   I know, but I would have to do the best I can for a while, until I get   
   another unit.   
      
   Got pissed on new years eve with more rum than I could handle and managed to   
   stuff up   
   the charger with unnecessary fiddling under the influence of intoxication.   
      
   >   
   >> I'm after some good information on how to do it.   
   >   
   > Get a decent modern lead acid battery   
   > charger for peanuts from china.   
      
   They have ones for $20 as well, but I'm not too sure about the claimed amp   
   range and the reliability.   
   Many 4WD gurus say that you get what you pay for in that area, and a cheaper   
   one can do more harm   
   than good to a quality AGM battery( Eg: microprocessor going nuts and   
   overcharging the battery, etc)   
      
   >   
   >> Your help is very much appreciated.   
   >   
   > We'll see...   
      
   I'm still waiting.   
      
      
      
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