battery powered mountain bikes Chargers continue to heat up

Battery powered mountain bikes spontaneous combustion during the charging process, the charger because the majority of the short-circuit, short circuit due to overheating, due to overheating of the battery operated tricycle charge time is often too long. An industry source said that at present the majority of electric car chargers do not have to use the automatic power-off protection, although many battery powered bikes chargers on the market are equipped with fans and other cooling devices, "in the charging process, the fan will rotate ; However, after fully charged, the fan will stop. "Then, after the electric car charger fan stops have much influence on the charger? According to reports, although the full charge, the charger will automatically turn on the green light, but in fact the input power is still slow, if not promptly cut off the power supply, it will cause the charger to overcharge. Test was done under overcharge cases, chargers will continue to heat up, not only easily lead wire aging, but also easily lead to a short circuit due to overheating, sparking a fire.