The CTEK 7002 has become the best-to-use battery chargers we tested. Merely plug it in, attach the clips, and press the power button. The even indicates the amount of demand your battery has. When attached to our multimeter, we noted this machine provides a steady 14.4 V in usual manner. https://hukums.com/products/painter-psm-01-wall-plastering-spray-machine-4-liters-bucket