All car batteries lose power over time. This isn’t a factor when the car is driven regularly, allowing the alternator to replenish the battery ... Connect the charger per the instructions.

If your car cranks over slowly or the battery terminals are corroded or cracked, it's time to replace the terminal ends.

Once charging is initiated and the car’s battery is warmed up, the flow of kilowatts typically increases to the vehicle’s maximum input. The charger will sustain this rate for as long as ...