Dabbsson 3600w portable power station 3.43- 28.14Kwh expandable capacity. Ev semi-solid state lifepo4 battery 4500 circles to 80% 15-year lifespan. 120V-240v power system 3600w-7000w ac output parallel connector required. 4 Fast recharging options: ac wall outlet solar ac solar and generator charging. 2400W solar charge to 100% in 2 hours. Smart energy management via dabbsson app. With the dbs5300b extra battery you can expand the capacity to 8750wh.