 Convenience: Not only the direct connection of the battery pack +/-, connectors (6 types) are added to the A/C of HEV engine compartment for convenience

 Common for all models: Discharge prevention: DC 12V output terminal (1 type)is added to prevent the 12V battery discharge

 Safety: Reverse polarity and voltage detection operating function, spark is cut off when wiring is connected

 Quickness: Charging capacity above the starting voltage should be obtained within 30 minutes

 Universality: Work should be possible by using the home electric power

 Size: It should be compact size for convenient storage

 Aspect of price: It should be reasonable price with unnecessary functions removed