About Product:Product attribute brand YSH protection type Short Circuit, overload, overcurrent, over-temperature charging time 4-6 hours number of USB interfaces 4 installation method portable product certification UL CE FCC ROSH PSE weight 0.9KG overall size 328*221*263 output frequency 60 warranty 2 years standard type US, Europe, UK, Australia daily Standard conversion time 1-12 hours output current 10 battery type lithium battery product series M display mode LCD