eBay: Sun Joe 24-Volt iON+ Cordless Surface & Patio Cleaner Kit

[IONMAX 24-VOLT SYSTEM]: Includes 4.0 Ah lithium-ion battery for up to 20 minutes of runtime on the HIGH speed setting, and up to 30 minutes of runtime on the LOW speed setting
[MOTOR]: 500-watt eco-friendly motor
[BRUSHES]: Two 5.5″ nylon bristle brushes won’t scratch or damage cement, asphalt, brickwork, or pavers + cleans a path 12″ wide
[CONTROL WATER FLOW]: Variable water flow + dual adjustable nozzles provide a boost to rinse away stubborn grime
[COMFORTABLE]: Onboard mud flap + adjustable handle for maximum user comfort

Ships free!

Sun Joe has a few tools on sale, listed as up tp 70% off.

Other Retailers:
Amazon: Check price.
Snow Joe: $229
Walmart: $187.68