Cordless string trimmer batteries… two 20v vs one 40v, which is better?

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XouskMember since Jun 2019

I am looking to buy a cordless lawn string trimmer/edger for my small yard. I probably can trim/edge the lawn in about 20 minutes. One trimmer offers two 20v batteries while another (same price and brand) offers one 40v battery. I kind of like the idea of 2 batteries…if one goes bad you still have the other.
Any thoughts/comments/experience will be appreciated.
Thanks

stefcl100Member since Jan 2018

Can you post a link to the models you are considering? Or at least name the brand you are referring to?

 

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Hit record. We’ll handle the rest.

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