Posted 1/10/2021 09:51 (#8739064 - in reply to #8738199) Subject: RE: 12vdc sprayer pump ran by 18v battery
Wisconsin
I tried that with a cheap sprayer pump and it broke the crankshaft on the pump after about 20 minutes. I think I even used a long piece of small gauge wire for a resistor, wasn't enough resistance. Not saying yours will break, just what mine did. I'll work it out better next attempt.