20 vs 21 push mower

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Home Depot currently has a 1 day sale on the 20" walk behind with a 5ah battery for $359. Their 21" is $400 with the same battery. Should I go with the 20" for the sale? Not really sure what the difference is between the two mowers besides the 1" difference and variable cutting heights.
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Posted 2 years ago

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Blue Angel, Champion

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21” has a bit more power in case you have really thick grass, and cuts 1/2” higher if you like cutting your grass tall. Three handle height settings instead of two.

20” is a little lighter, a little smaller, a little easier to maneuver. Some say it mulches better, but this is likely based more on grass type.
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Also 21" comes with the rapid charger and the 20" comes with the standard charger

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