E-bikes are everywhere in the Netherlands these days. You or one of your housemates might have one. However, the battery for that bicycle can spontaneously burst into flames when it is being charged.
If you treat your battery carefully, the risk of that is small. All the same, fires caused by bicycle batteries breakout almost daily. It’s not just e-bikes either, but e-steps and e-scooters use these batteries as well.
Want to know more about the risks of e-bike batteries?