2.56kWh, Expandable to 40.96kWh(Capacity Expansion and Wide Applications): MHPOWOS 12.8V 200Ah battery supports up to 4 batteries for up to a 51.2V 200Ah battery system in series or a 12.8V 800Ah battery system in parallel.Easy expandable from 2.56kWh to Max.
eBay