rcpilot1 Posted June 17, 2022 Share Posted June 17, 2022 what would be the charge rate and cut off on two big golf cart 6V batteries wired as one big 12v battery. I am using a renogy charge controller and the votage seems high for just charging. Right now it is boiling the battery and the cut off voltage is 15.0 in the charger Link to comment Share on other sites More sharing options...
vito.a Posted June 17, 2022 Share Posted June 17, 2022 Link to Interstate Battery charging guide: Golf Cart Battery Installation & Maintenance (interstatebatteries.com) The bulk/absorption rate is 14.8v and the float is 13.5v. Link to comment Share on other sites More sharing options...
trailmug Posted June 17, 2022 Share Posted June 17, 2022 Is the charger temperature-compensating? Hot batteries like low charging voltage, cold batteries want it high. Rate (amps) would be the same for two series batteries as a single, voltage obviously is doubled. Link to comment Share on other sites More sharing options...
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