Usable energy
At 85% AC system efficiency, the planning budget is about 382Wh. At 90% for a compatible direct-DC load, it is about 405Wh.
Usable-energy estimates and common load examples for a nominal 450 watt-hour battery.
At 85% AC system efficiency, the planning budget is about 382Wh. At 90% for a compatible direct-DC load, it is about 405Wh.