bushwhacker Posted February 11, 2023 Share Posted February 11, 2023 Will a VSR allow me to charge two 12 volt but not the same amp batteries? I want to have the second battery for my diesel heater to run it occasionally. I don't mind connecting or unconnecting terminals to have this option. Regards Mark. Quote Link to comment Share on other sites More sharing options...
miketomcat Posted February 11, 2023 Share Posted February 11, 2023 Yes but it's not ideal. Far better if they are matched battery's. A DC to DC charger might be a better choice. Mike 1 Quote Link to comment Share on other sites More sharing options...
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