Home batteries, by energy, power, and efficiency
Compare makers’ stated usable and nominal energy with continuous power, and nominal energy with round-trip efficiency. Labels name the largest figure on each axis.
Round-trip efficiency is the share of charging energy returned when the battery discharges.
Compare batteries side by side
Usable energy and continuous power
Nominal energy and continuous power
Nominal energy and round-trip efficiency
Limits
The figures are the makers’ statements. Batteries without a single pair of figures are left off each chart.