Factory Reconditioned Snow Joe SJ620RM 18-Inch 13.5-Amp Electric Snow ThrowerIT’S ELECTRIC, BOOGIE WOOGIE, WOOGIE! Responding to the need for an easy-to-use machine that could tackle heavier snowfall on mid-sized driveways and walkways, Snow Joe® developed the Snow Joe® Ultra SJ620, a larger electric snow thrower that delivers the power of a gas machine with.