90% is rather low today. BYD has a battery system that has a round-trip effiency of 96%. Solar inverters often have >99% effiency - although it varies across th

90% is rather low today. BYD has a battery system that has a round-trip effiency of 96%. Solar inverters often have >99% effiency - although it varies across their operating range, dropping at the low end as they are optimized for peak power. https://bydbatterybox.com/uploads/downloads/230530_BYD_Battery-Box_Premium_HVS&HVM_Datasheet_V1.7_EN-647eedf90f9c3.pdf https://bydbatterybox.com/uploads/downloads/230530_BYD_Batte...