XPost: uk.rec.driving, alt.home.repair, uk.d-i-y   
   From: dr6092@gmail.com   
      
   On 21/06/2019 21:19, Commander Kinsey wrote:   
   > How does a lead acid battery charger (or car alternator) know when to   
   > switch to trickle charge?   
      
   It doesn't.   
      
   > I can understand it noticing a drop in   
   > charging current if the battery is on its own, but what if a random   
   > changing load is connected, as there is in a running car?   
      
   Ohm's law.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)