“I see the unit comes with an 80 Volt 4.0 Ah battery and charger. If I buy the 80 Volt 2.0 Ah battery as a backup, will it fit and will the mower function with the lower Ah battery?”

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• Yes it fits, but does not last as long. Volt is power, Ah is longevity. So you'll get the same power but doesn't last as long.

  Answered by GarryG 2 years ago

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• Hello KeithKu - While the lawn mower can be used with a 2Ah battery. It is recommend a 4Ah or higher, 2Ah batteries yield a shorter run time of about 10-15 minutes in a mower.

  Answered by Greenworks Tools 2 years ago

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