Ather, one of the first e-scooter makers in India, had claimed that imported Li-ion batteries aren't suited for Indian weather, so they designed their own. Many

Ather, one of the first e-scooter makers in India, had claimed that imported Li-ion batteries aren't suited for Indian weather, so they designed their own. Many parts of India easily hit 40C and more in the summer. Given the spate of e-scooter fires here recently, they may have been right. (I'm not associated with Ather in any way.)