The arc can happen only if there is large voltage difference between empty battery and
donor car battery.
Not exact matches
Use a
donor car as the power source and attach the (+) lead to the
battery and the -LRB--) to a good ground source away from the
battery.
The combination of the
donor car and cables may not have enough juice to start the
car, but likely has enough juice to charge the other
car's
battery.
Give the
car a jump start, but let the leads from the
donor vehicle stay on the new
battery for a period of time.