Owners will need around two - and - a-half hours to fully recharge the lithium - ion cells from a standard domestic power socket using the standard charging cable. (press.bmwgroup.com)
The energy storage unit is a liquid - cooled lithium - ion battery that can be charged from a conventional domestic power socket, delivering a range in excess of 25 km in the NEDC on purely electric power. (motor-prime.com)
It can be recharged by connecting it to any standard domestic power socket or a BMW i Wallbox, as well as at public charging stations. (motorshowblog.com)