60A Negative Booster Max.efficiency:>90% Voltage Ripple: <120 mV Output ... : 60 A 12 months warranty,have CE,ROHS,E-mark 60A Negative Booster(MB60A-DC12V),Specifications:Order No. MB60A-DC12V Input ... CE,ROHS,E-mark,SONCAP Warranty 12 months Negative Booster 60A