XPost: aus.cars, aus.cars.offroad, aus.computers   
   XPost: aus.electronics   
   From: damian_andrews75@yahoo.com.au   
      
   "John_H"  wrote in message   
   news:hgrhc9tpc6383ol0m39deo17dqub2hf5e8@4ax.com...   
   > Damian wrote:   
   >   
   >>Hi Guys,   
   >>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). 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.   
   >>   
   >>How do I do that with this unit?   
   >   
   >    
   >   
   > For a 12V car battery set the voltage to 14.2 - 14.4 and the max   
   > current to 5A.   The charge rate (current) will then take care of   
   > itself, which is essentially how a car's own voltage regulator does   
   > it.   
   >   
   > For a long term maintenance charge you could wind it back to 13.8V.   
   >   
   > For a 6V battery (if you happen to own an old Beetle or a Model T)   
   > halve the voltage.   
   >   
   > --   
   > John H   
      
   I meant, "Smart, three stage charging", not plain old constant voltage   
   charging.   
      
      
      
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