EGO 21 in. Single-Stage 56-Volt Lithium-Ion Cordless Electric Snow Blower 2 battSingle-Stage 56-Volt Lithium-Ion Cordless Electric Snow Blower with Two 5.0Ah Batteries and Charger Included. The new EGO POWER+ Snow Blower is the only cordless snow blower that delivers the power and performance of gas without the noise, fuss and fumes. Featuring Peak Power.