Kram
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- Sussex
even though it's rated to 115mm cut, it happily went through a ~150mm branch
None of them should really have issue cutting the full length of the bar it may be slower. However if its a brushed motor it may burn out from being over loaded. Its a tool that needs to be brushless!
My cheapy £50 pruning saw above can manage about 9x 10" cuts in conifer as pictured before it drains for 4ah battery.