China has the largest number of electric bicycles (e-bikes) in the world. However, the number of fire incidents caused by the e-bike batteries is alarming. In recent years, e-bikes have become an important means of transportation in China due to their affordability and convenience. China’s CCTV, a Chinese state-owned media, reported that the annual sales volume of e-bikes exceeds 30 million, and the current number owned is close to 300 million. CCTV data show that as many as 6,462 fires were caused by the bicycle batteries in China from January to July of this year alone. At 3:00 a.m. on Sept. 20, a fire broke out in a residence in Tongzhou District, Beijing, killing all five family members. The cause of the fire was the lithium-ion battery from the family’s e-bike, which exploded and caught fire while it was being recharged in their apartment. According to state media Dazhong Daily, …