RYOBI 20 in. 40-V Single-Stage Brushless Cordless Electric Snow Blower withBattery40-V Single-Stage Brushless Cordless Electric Snow Blower w/Battery and Charger. The RYOBI 40-Volt 20 in. Cordless snow blower is engineered to remove snow quickly from patios, decks and driveways. With a powerful brushless motor this product is designed to provide consistent quiet power that.