Myth #2: Once sulfated, a battery is useless and should be replaced.īatteries develop a high resistance to charging which the average (so-called) smart charger cannot overcome. IMPORTANT: To effectively desulfate a battery it must be disconnected from the vehicle wiring before connecting to the Battery Sitter. Vehicle electronics require a higher voltage than this to function so if a battery in this condition is still connected to the vehicle no electronics can be active.Įven a LCD display circuit will draw a few milli-amperes if a voltage is applied and upon sensing this the Battery Sitter will engage its normal charge mode with maximum charge voltage 14.3V. Upon connection to a battery, the desulfation mode can only engage if no current enters the battery at a charge voltage of up to 14V.Ī sulfated battery’s voltage will initially be typically in the 2 to 6V range. Too good to be true? Find out more as we Myth Bust! Myth #1:The Battery Sitter’s high voltage desulfation mode can damage vehicle electronics if connected to an installed battery.įact #1: The Battery Sitter’s high voltage desulfation mode cannot engage if vehicle electronics / wiring are sensed. The Battery Sitter is one charger that can handle a wide range of batteries.
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