I know that many people prefer to hose their mowers down with a garden hose. I admit I have done it. Still doing that is risky. If water gets into the wiring air filter or engine you could really do some damage. Hand washing with damp rag is a drag but also your safest bet.
Over 2500 buyers have left four- or five-star reviews of the Greenworks 22502 on Amazon. The most helpful reviewer compared this model to a couple Black and Decker electric mowers he had owned in the past. He was much more satisfied with his Greenworks mower because it could handle wet grass and was easy to maneuver.
Fortunately the Snow Joe + Sun Joe Company backs the quality of the mower with a full two-year warranty. With a 14-inch blade this mower is meant for yards that are acre or smaller and the 16-inch deck makes it easy to get into tight spots.