1.High frequency combinatorial circuit technology
2.Performance related fan control
3.Accurate and stable sine through analogue technique
4.High efficiency
5.Protection against reverse polarity and short-circuit
6.Auto-restart-function
7.LED indication for operation
8.Switch off at too high temperature
9.Deep discharge protection for battery
10.Under and upper voltage control
11.Overload protection
12.Soft-start function