Ok final thoughts.
Weird hearing what sounds like a rechargeable drill 100 feet over your heads...

Nice not to have to pull the cord time and time again as one progresses up 120 plus feet of tree.
Little limbs on a fir just fall off with this thing.
Pruning is nice. I do like my 150 T bar better than what is on the 536. Can get in tighter places.
The 150 just feels better in my hand. Not that the 536 did not feel good.. Just the 150 felt better and either a tad more balanced or lighter. Might be the bar.
The quiet running is nice. I like it. Odd, but I like it.
Every climber that took the 536 up liked it.
What we don't like... the price. Of course I have to go back to gas 2 stroke before I ever get out of the tree. So the noise comes back.
Not enough saw for the pigs we do. Good for limbing, but the rest is back to displacement.
I could say the same for the 150 and I still use it. But it's great on gas and about the time I run out of bar, I am about out of fuel so it all works.
Would I pay almost $1000.00 for this set up?
Yes, if I worked in an urban environment more than in the hills and woods of the Sierra Nevada. Absolutely. It would pay for itself toot sweet. I would like to know more on how long the batteries last. at almost 200.00 per, they better get a couple years of use.
It's a good tool for the right environment.
Buying another 150 BTW