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    Battery-Powered Zero-Turn Lawn Mower Face-Off: Ego vs Ryobi

    Find out which of these electric mowers has the edge in CR’s tests

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    Ego and Ryobi lawn mowers Photo: Ego, Ryobi

    Zero-turn technology and battery power are two major trends that have taken hold among lawn mower buyers in recent years. The battery-powered, zero-turn riding mower, a relatively new category, marries those innovations. 

    If you have a large-ish, ½-to-1-acre yard—especially one that’s irregularly shaped—a battery-powered, zero-turn riding mower could be ideal. They’re easy to maneuver, energy efficient, and easier to maintain than gas mowers. But which one is best?

    More on Lawn Mowers and Tractors

    For 2021, we evaluated six battery zero-turn mowers. Though this wasn’t CR’s first crack at evaluating this type of mower, our testers were more impressed this time ’round the yard with improvements they saw in run time and cut quality.

    Two new models, the Ego ZT4204L and the Ryobi RY48140, stood out for those attributes, while meeting the high standards of comfort and handling set by some of the best gas-powered units we’ve tested. The Ego is a new model. The Ryobi isn’t, but this version sports a lithium-ion battery. Both machines are a significant investment, at around $5,000. Here’s a quick look at how the two mowers stack up.

    The Ego ZT4204L and the Ryobi RY48140, like the other battery zero-turn riders in our tests, make tight turns by independently powering each drive wheel. They’re far easier to maneuver than traditional riding mowers. If you have to negotiate tight corners, tree trunks, curved borders, and other irregular lawn features, having that flexibility and functionality can be a plus.

    And in general, battery power makes mowers quieter and more energy efficient than a comparable gas riding mower. A battery model also requires less maintenance; for instance, at the end of the season you don’t have to winterize it by emptying or adding stabilizer to the gas tank. Newer battery zero-turn models can cover up to an acre on one charge, so you can set aside worries that they’ll run out of power before you run out of lawn.

    Read on for our cut-by-cut take on the Ego and Ryobi.

    Cutting Performance

    In key aspects of grass cutting, the Ego  ZT4204L and the Ryobi RY48140 are tied. Both give very even cuts. Both get Excellent marks in mulching performance: how well they cut up clippings and spread them completely on your lawn’s surface.

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    We investigate, research, and test so you can choose with confidence.


    Tobie Stanger

    Tobie Stanger

    As a senior editor at Consumer Reports for more than 30 years, Tobie Stanger specialized in helping readers shop wisely, save money, and avoid scams. Her home- and shopping-related beats have included appliance and grocery stores, generators, homeowners and flood insurance, humidifiers, lawn mowers, and luggage. She also covered home improvement products, including flooring, roofing, and siding.