Suggested by Destroyer Kakuzu is a very powerful member of the Akatsuki so he definitely won’t be going down very easily. Electric attacks aren’t all that effective against him which will limit how effective Electro is. Electro will still be able to get in his share of hits thanks to his speed and the fact that the guy is hard to take down for the count. Still, it will not be enough to stop Kakuzu and while the fight would drag on, Kakuzu would be landing most of the hits. Kakuzu wins.