SKYRC D200 is a dual output charger, which supports power di stributionwith AC source. It has new functions, like, Termi nal Voltage Control(TVC), Battery Meter, Battery Internal R esistance Meter. It has softwareprotection, like, Current L imit, Capacity Limit, Temperature Thresholdand Charging Tim e Limit. It supports PC control and firmware upgrade. Additio nally,it has a built in soldering iron that can heat up to 450? with heavy duty 60W, the temperature is adjustable from 200-450?.