Car Battery Flat Overnight Finding a Parasitic Drain

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Car Battery Flat Overnight Finding a Parasitic Drain

A battery that repeatedly goes flat while the car is parked needs more than another jump-start. The cause could be a failing battery, inadequate charging or an electrical load that stays awake after shutdown. A useful investigation checks those possibilities in order, then measures the parked vehicle without disturbing its normal sleep behaviour. A discharged battery is the symptom, not necessarily the failed component. Repeated short trips,...

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