If you're in North America, you can only get 1800 watts from a cord. It's not enough to blow anything but light snow. OTOH, an 80V battery can easily draw 10

If you're in North America, you can only get 1800 watts from a cord. It's not enough to blow anything but light snow. OTOH, an 80V battery can easily draw 1000 watts+. A good snow blower has 4 of those. That's more than enough, comparable to a gas engine but with way more torque.