I disagree with the power-jack-hating. I love mine, even though it's the cheap crappy no-name brand one they stuck on there, it still works well and lifts my truck to make the bars easier to put on.
The worst thing about it is that the motor is susceptible to water intrusion. I use a trash can on top to protect it that also holds my power cord and chains, so I don't worry about it anymore. But when it craps out and dies, I'll replace it with this:
If the power on the jack ever fails for whatever reason, I can still manually crank it. But as long as it works, I'm going to use the crap out of it.
2014 Jay Flight 28 BHBE
2015 RAM 2500 6.4L HEMI, Tradesman 4x4, 3.73
Blue Ox SwayPro (BXW 1503)
Upgraded from an REI internal frame backpack and a Eureka 1/2 dome tent!