Can a lower Ah batter be used?

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got a 21 Inch 56-Volt Lithium-Ion Cordless Self Propelled Lawn Mower. Came with a 7.5 ah battery. Can a lower Ah batteries be used (2,4,5 ah etc.) be used? same size?, Just want one to ad about 1/2 hr run time if needed. $350 is a lot for an additional battery (smaller ah is cheaper)
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Clay Cassell

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Posted 2 months ago

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szwoopp, Champion

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Official Response
All ego batteries work in all ego tools and chargers - fully interchangable.
Timothy is correct - you will only get 10-15 minutes from a 2.5 in a mower.
Best deal is to buy a kit that includes a tool and a battery.  How does a new blower or string trimmer sound.  How about a snow blower with 2 batteries.