About Product:Attribute brand YSH protection type Short Circuit overcharge overdischarge overload charging time 6-8 hours USB interface number 4 ripple and noise 60db product certification UL CE FCC ROSH PSE weight 8.9kg overall size 328*221 * 263mm output frequency 50/60 warranty for 1 year standard type US, UK, Europe, Australia, UK, China, India and South Non-standard battery type lithium battery working environment 328*221 * 263mm product series armor warrior display mode LCD classification energy storage power supply goods