... Input frequency :50/60 HZ Output voltage/current: DC 9V/2000mADC connector: 2.1*5 ... MTBF: 50,000HoursProtection: Short,Over voltage,Over current So just why are we so successful? ... DC adapters, switching power adapters, chargers and transformers, with a monthly capacity of 1,000,000 units ... new manufacturing facility is currently under construction with 210,000 square-foot areas.International safety ...