The adapter is for almost 42V/36V lithium battery, NOT for 24V/25.2V/29.4V version. With multiple outputs that can be switched between devices, DC 5.5x2.1mm, DC 5.5x2.5mm, 8mm Mini 3 Prong, 8mm. Input 100-240VAC 50/60Hz, output 42V 2A ( works for 2A, 1.5A, 1A, 0.5A ).