What exactly is Pure Sine Wave? Something you plug in the wall by using a plug operates on alternating present or AC. To get a battery to power a tool suitable for alternating present, it must give power inside of a sine wave. Dollar for greenback, we won't recommend CyberPower https://craftsmantools61481.rimmablog.com/33224236/a-review-of-power-supply-battery-backup-12v