SKYRC Ultimate 1000W features with high efficiency with synchronous rectification technology, it is accurate and stable and also has some new features and functions. Users could set the terminal voltage by themselves and connect it to PC for PC control and firmware upgrade. What's more, users could also use it as Lithium Battery Meter and Lithium Battery Internal Resistance Meter. There are Automatic Charging Current Limit, Capacity Limit, Temperature Threshold and Processing Time Limit which makes the charger safe to use.