Instruction » Single-phase. Portable. Charging for lead-acid battery with 6V/12V, and suit for all kinds of cars, vans and light trucks. ❖Technical Specification MODEL EV-1210BS EV-1212BS EV-1215BS main voltage: AC230V 50/60HZ AC230V 50/60HZ AC230V 50/60HZ AC power input: 140W 170W 208W FOR charging: 6V/12V 6V/12V 6V/12V OUTPUT: DC6V 7 1A/DC12 2A DC12V 7 1A/DC12V39A DC6V 8.5A/DC12 2A DC12V 8.5A/DC12V 50A DC6V10.6A/DC12 2A DC12V 1O.6A/DC12V70, MAX charger current: DC6V/10A DC12V/10A DC6V/12A DC12V/12A DC6V/15A DC12V/15A battery capacities: 20AH-200AH 20AH-250AH 30AH-300AH weight: 7.2KG 7.5KG 7.8KG dimension: 29X17X26CM 29X17X26CM 29X17X26CM