Litio Store solid-state home storage: the Litio GEL 48V 100Ah module in 3U rack format, 5120Wh, with heating and internal BMS on board, stackable to reach the capacity you need.
In a house the gain from a solid electrolyte is not density but safety: with no flammable liquid the risk of thermal runaway drops, which makes life easier indoors, on a stairwell or in a technical space, where conventional lithium calls for fire precautions.
The 3U rack format goes into a standard 19-inch cabinet and connects to a 48V hybrid inverter. The heating allows charging in unheated spaces below zero as well.
