How Many Volts Needed To Jumpstart A Car. While keeping the current of the battery at 72 volts. For a 17 kilowatt 1700 watts starter if your starter falls to 10 volts when cranking the volts multiplied by the amps will give us 1700 watts.
A car owner can understand how long their equipment would work before the need to charge a jump starter arises. For a 17 kilowatt 1700 watts starter if your starter falls to 10 volts when cranking the volts multiplied by the amps will give us 1700 watts. It is therefore possible to jump-start a vehicle with a 12 V electrical system using only one of the two batteries.
The bigger the engine the more amps you will need to jump-start the vehicle.
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