Any good aluminum floor jack recommendations?

I'm looking for a large aluminum floor jack with 2 piece removable handle for tight spaces.
I've found several, but I can't find one that has a jack pad large enough to set a section of a 2x4 on the pad.

My 100# cast iron jack is getting tired and I'd really like something easier on the back since I gotta lift it into my truck several times a day and I had a spinal blowout yesterday which rendered me on the self administered light duty list.

I was carrying two 60# batteries, one in each hand up a small flight of steps and while on step #4, my spine decided it wanted to collapse about 1" and I went from Billy bad ***, he man, to instant loser in about .003 seconds.

I could hardly breathe and every time I moved it was like someone was yanking my rib out of socket near my spine.
feeling better today but sore as hell from muscle spasms.