Cell Phone Explosion in São Paulo: Technician Warns of Overcharging Dangers

Cell Phone Explosion in São Paulo Repair Shop Highlights Overcharging Dangers A cell phone exploded and caught fire during repair in a Santo Amaro, São Paulo shop on June 9, 2025. The technician, José Hilton, escaped injury, but the incident was captured on security cameras. This was the fourth such explosion in the shop this year. Hilton, with 18 years of experience, stated that leaving a phone charging for too long is the main cause. He explained, "The main cause is leaving it on the charger all night. At most, you should leave it for an hour; it'll reach 100%. Mine charges to 100% in 35 minutes. Imagine leaving it all night!" The incident serves as a stark reminder of the dangers of overcharging lithium-ion batteries.