I don’t have an answer to your question—just an observation. I have a 40v chainsaw. I see two great advantages: There is no issue with starting it, and more importantly, the saw runs out of energy about the same time I do.
Good luck with your quest for the perfect string trimmer.
Ha!
The two advantages I always point out about my electric weed eater!
20 minutes and it’s Miller Time.
“I have a 40v chainsaw.”
Yeah, but since airlines won’t let you carry lithium batteries on flights anymore, you’ll never get your chainsaw past security.
So much for your “bucket list” big trip to the 2020 Paul Bunyan Loggers Contest in Saskatchewan.