Although battery fires can easily reach 1500C, and involve reactions that generate oxygen, meaning that depriving the fire of oxygen isn't enough to put it out.

Although battery fires can easily reach 1500C, and involve reactions that generate oxygen, meaning that depriving the fire of oxygen isn't enough to put it out. The best you can typically do is just let it burn itself out. This works better when your EV is parked outside the home.