The capacity of the lithium-ion battery almost doubled compared to the first battery that the BMW i3 had at the beginning and also for a good third compared to the current BMWs i3 and i3s, which has a capacity of 33.2 kilowatts hours., Also the range of both BMW i3 variants has also increased for over thirty percent. BMW i3 can now drive 285 to 310 kilometers instead of 235 to 255 km on one charge according to the WLTP cycle. In BMW i3s, the range has, according to the WLTP cycle, increased from 235 to 245 kilometers to 270 to 285 kilometers.

Charging a new battery at 2,4 kW household network up to 80% capacity lasts for a good 15 hours, on a 11 kW BMW i Wallbox charging up to 80% capacity lasts 3.2 hours and at a 50 kW fast charging station it takes 42 minutes to charge the battery to 80% capacity.