Watts = work Current is Amps Voltage is preshure Watts = volts x amps

Say a 6 volt system uses 1200 Watts to turn over Eng#1 That would be about 200 amps, 1200 / 6 = 200. We would probably need a 4-2 gauge cable.

Now with a 12 volt system its still 1200 Wa... Login to read more.