The Bishamon Low Profile Lift Table (LX Series) gets down to a minimum height of 2.9" with a maximum lift capacity of 1,100 lbs. If you need more capacity the LX Series goes up to 4,400 lbs capacity with a 4.3" lowered height.

Also EconoLift offers a Low Profile Lift Table (LP Series) with a 4.3" lowered height with a 4,000 lbs capacity.

Boths units come with external power units.