1. Special technology of the front-rear soft-start.
2. SPWM control of the CPU core technology.
3. Special technology of constant power.
4. Technology of preventing the reverse diode.
5. Technology of the front-rear circuit separation.
6. USB charger port.
7. Circuit fault protection for damages from overload, over current,high temperature, short circuit, 
battery reverse connection with a built-in fuse.
8. Special protection for battery from excess or less voltage, and recovery if such damages occurred.
9. Shockproof protection. 
10.Stable and constant work-time ensured by the pure sine wave AC output.
11. Aluminum outer shell with anodized treatment of sandblasting to harden the surface for a sturdy and 
durable service life in an exquisite and fashionable appearance.