... charger for digital products with input 100~240v 1.portable 2.easy to use 3.high efficiency 4.competitive 4 in 1 ... average efficiency accord with ES&CEC08 standards.4.High reliability,long life,MTBF:100,000hrs(full load,25°C,Mil-HDBD-217F ... , reasonable and competitive price, prompt delivery, so deeply win high praise by customers. universal battery charger for digital products with input 100~240v AC