1. Suitable voltage DC3.7-13V
2. Current adjustment 0.15A-3A continuously adjustable
3. The continuous discharge power is 15W that is the discharge current is about 1A at 13V and the discharge current is 3A at 5V
4. The fan starts and stops intelligently to control the temperature around 40 degrees
5. USB positive and negative can lead to a wider range of applications separately