From: muratlanne@gmail.com   
      
   "Jim Wilkins"  wrote in message news:tbn2s0$1fp6m$1@dont-email.me...   
      
   The SIN9020S that I like to monitor battery charge and discharge current is   
   unavailable from Amazon, apparently I bought the last one. ..   
      
   ---------------------   
      
   Drok introduced a 50A battery Amp-hour meter (fuel gauge) with a Hall sensor   
   instead of a shunt, so I ordered one, due 8/5/2022. The disadvantage of a   
   Hall sensor is less accuracy than a shunt. It's claimed to work down to 10V   
   which improves on the 9020 that becomes inaccurate as a lead-acid nears full   
   discharge under load, exactly the region of concern.   
      
   I was assigned to test and repair industrial battery packs that included   
   fuel gauges, as well as Lithium supervisory and cell balancing circuits, so   
   this is more than a casual hobby for me, I'm trying to keep up with tech I   
   think is important for the future.   
      
   Bob, you may not be equipped to design, prototype, test and package   
   experimental circuits as I did for a living but other readers with similar   
   interests might be.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)