The new BK Precision Regulated 28A DC Power Supply 1689 offers multiple DC output terminals; two pairs of 3A, snap-in DC connectors are easily accessible on the front panel, and a pair of 28A screw-on DC output terminals are located on the rear panel. It provides its maximum current output continuously hour after hour without terminal drifting. It is an ideal car battery substitution for servicing or demonstrating high power car stereo, cellular phone products, or even ham radio.