Schumacher Charger Says Sul - The charger has detected a sulfated battery. 1 error codes and troubleshooting. If the desulfation is not successful. If the desulfation is not successful. The charger will go into desulfation mode. Web most battery chargers have a setting that will desulfate a battery, typically indicated by the “sul” setting on display. The charger has detected a sulfated battery. Web the “sul” message on your schumacher battery charger indicates sulfation, which is a common issue in lead acid batteries. The charger will go into desulfation mode.
If the desulfation is not successful. Web most battery chargers have a setting that will desulfate a battery, typically indicated by the “sul” setting on display. If the desulfation is not successful. The charger will go into desulfation mode. 1 error codes and troubleshooting. The charger has detected a sulfated battery. Web the “sul” message on your schumacher battery charger indicates sulfation, which is a common issue in lead acid batteries. The charger has detected a sulfated battery. The charger will go into desulfation mode.