About Peak Auto Peak Performance, by Old World Industries, is dedicated to providing affordable and quality products to make your driving life easier. From mobile power to auto-shop necessities, you"ll get useful and novel solutions from Peak. * Rugged steel case with baked-on finish * 55-amp 12V vehicle jumpstart capability * Automatically taper charges and stops charging facility * Heavy-duty transformer and rectifier for dependability * Built-in circuit protection guards against short circuit * Heavy-duty cables and clamps are corrosion resistant