Litheli Snow Blower 20-Inch Brushless Cordless Snow Thrower 4AH Battery&ChargerBattery Power1x4000mAh high-energy-density Lithium-ion battery ensures strong and fade-free power feed. This 40V battery also works with all Litheli 40V tools. Eliminating the pollution and noise by gas and corded models, this cordless machine can clear snow on driveways, sidewalks and patios without the limit.