1. Safety design for battery: Use PTC (Positive Temperature Coefficient) and CID (Current Interrupt Device), to make battery explosion impossible.
2. Safety design for PCD protection: Use individual charging protection circuit, protect from ver-charged, over discharged, over-current and short circuit. Assure service life and safety.
3. Safety design for input and charging: Use individual management integrated circuits and constant-current charging design, assure safety and anti-explosion, extend battery life.
4. Safety design for output: Use fixed frequency DC-DC to protect motor from being damaged and assure service life.
5. The unique design of low current and high speed motor, service time is much longer and operation is more stable.
6. Parented double fan sheets to strengthen the middle of the wind space.
7. Patented double blade specially designed to strengthen the center of wind.
8. Motor lock protection prevents the motor from burning out when locked.