As long as the flashlight is a regular product from a regular manufacturer, there will be no explosion, because the lithium batteries used in this type of flashlight have a charge protection circuit. When the battery is full, the protection circuit is automatically triggered. stop charging and enter the voltage maintaining state, but in order to save power, it is better to remove the charger after it is fully charged to avoid unnecessary power consumption.
In addition, some informal products will abandon the charge protection circuit in order to reduce costs. These products will not automatically stop charging, which can result in battery overcharging or, more seriously, battery explosion. . Phenomenon.
4.2V, 8.4V. The specifications of Senrui's new generation lithium battery are different. If it is a lithium battery, it will use a chargerwhich produces 4.2 V. If it is two lithium batteries connected in series, it will use a charger which produces 8.4 V. Next generation lithium battery floodlight from Senrui. The charger has 4.2 V and 8.4 V.