4000W,3600wh capacity 3600w 4000w ac pure sine wave output 6,000w surge lifepo4 battery for over 3,500 life cycles to 80% expand the capacity from 3600wh to 21600wh with 5pcs r4000 fast charging:from 0-100% in 1hours ev charging solar input wall charger unique voice control, smart wifi and bluetooth control function support touch screen operation ups battery backup solar input:12v-150v,40a,2000w max mppt eco-friendly gas free quiet cost-effective.
