1. Rare earth permanent magnetic for rotor.
2. 100%COPPER wire winding for stator.
3. Brushless and easy maintaince.
4. Digital inverter to insure stable voltage and frequency.
5. High efficiency and can save 20% fuel than old ST
6. Also this new design CT alternator is more compact and it can help you to save sea freight. (816sets CT- 3KW 20 ft)
7. Reliable quality, 100% warranty, variable speed but stable frequency and voltage
100% copper wire