<I am using an Alinco DM-330M power supply. Across the output of the <power 
supply I have a 26 AH battery. If the AC power quits I have <many hours to shut 
down the K3.
 
Charging a battery with a DC supply not meant for that purpose is a very BAD 
idea.
 
In the case of Astron supplies it can damage parts of the DC regulator.  If 
there is a "Crow Bar" circuit that operates with a battery connected to the 
power supply output it will ruin your day or even burn your house down!
 
Bill - K6WLM


      
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