Posted 1/10/2021 13:21 (#8739690 - in reply to #8739584) Subject: RE: 12vdc sprayer pump ran by 18v battery
Central Alberta
I found it easy to solder together 4 18650 lithium ion cells in series which combined provided almost 18 volts when fully charged. If you need more power, you can put another bank of 4 in parallel with it.