Home Depot has a sale going this weekend, buy a charger and two six amp batteries and you can pick the blower as a free bonus.
https://www.homedepot.com/p/Milwaukee-M18-18-Volt-Lithium-Ion-High-Output-Starter-Kit-with-Two-6-0-Ah-Battery-and-Charger-48-59-1862S/315426486
If you downshift in 4low and your rpmās are high you are going to lunge no two ways about it. Also if youāre in third gear why are you in 4low. My 2014 when stock would lunge when my wife drove it in 4 low
If youāre in 4 low put it in manual and control your rpmās and gears. If you need to...