An Australian woman used her BYD electric car to power her son's dialysis machine during a blackout

• An Australian woman used her EV to power her son's dialysis machine after a storm caused a blackout.
• Kristy Holmes told The Guardian that the Atto 3, made by Tesla rival BYD, helped "save her son."
• Many EVs have "bidirectional charging" features that let them charge household appliances and other EVs.

An Australian woman used her BYD electric car to run her son's dialysis machine after a huge storm left her without power.