230V 50/60Hz 1phase. Mains voltage. 110W Power. 12 / 24 V Charge / Starter voltage 9 / 45 A. Charge current 6 / 3 A. Rated charge current 60 / 115 Ah @ 12V. Rated reference capacity 30 / 40 Ah @ 24V. Dimensions (LWH) 170x250x165 mm. Weight 34 Kg.