A family in Troutdale, Oregon, near Portland, lost their home on 5 November 2026 after a lithium-ion e-bike battery exploded inside the house. The battery wasn't even plugged in — it was resting on a padded chair when it started smoking, popping and giving off a strange smell before going up in a fireball. All six residents escaped, but the family cat did not. Homeowner Kari Ann Peniche said the flames spread through the property in seconds; her teenage son had ridden the bike earlier that day.
It's not an isolated case. In October 2026, an e-bike battery fire in a Bronx apartment blocked a family's exit and killed four people, including three children. A Bootle, England fire in August 2026 claimed a mother and her three children after a battery went into thermal runaway. A scooter battery killed two people in Busan, South Korea in June 2025, and a damaged e-bike battery was linked to two deaths in Teralba, Australia the year before. Bogotá got a costly reminder too: a February 2026 fire at an electric motorcycle shop caused an estimated US$300,000 in losses. The Oregon State Fire Marshal counted 649 battery-related fires between 2020 and 2025, rising about 19% a year.
The key detail: batteries can fail even when not charging, especially if they've been dropped, damaged or repaired badly. Thermal runaway — an uncontrollable temperature rise that releases flammable gases and can reignite even after flames appear out — is why fire services say don't fight these fires yourself. If a battery smokes, swells, hisses or smells odd, get everyone out and call emergency services from a safe place. Don't carry it outside, and don't go back for pets or belongings.
Why should holidaymakers care? E-bikes and rental scooters are now a default way to explore cities from Barcelona to Bogotá, and travellers often charge devices in unfamiliar accommodation — sometimes near doorways or on soft furnishings. The safety rules are straightforward: use only the manufacturer-approved charger, buy certified gear, charge on a hard non-flammable surface away from beds, sofas and curtains, never near an exit, and never while asleep or out of the house. Skip extension cords and multi-plug adapters, inspect batteries for heat, swelling or leaks, and avoid anything that's been patched up by an unauthorized repair. A little battery literacy is now as much a travel skill as knowing where the emergency exit is.