How to repair led rechargeable flashlight
LED rechargeable flashlight is composed of LED light source, chassis, battery, power switch, PCB circuit board, etc., and can be recharged for use. The led rechargeable flashlight has problems after using it for a period of time, so how to repair the led rechargeable flashlight at this time?
Because the household voltage of Chinese residents is 220v, the voltage setting of the LED flashlight before leaving the factory is 220v. If we recklessly charge the flashlight with high voltage or reduced voltage, it may cause the internal circuit of the flashlight to burn out. In this case, we need to power it up using a soldering pen. In addition, we had to use a test pen to instantly detect what went wrong. And when you charge the flashlight LED lamp bead is not on, but when the battery is charging and the information is displayed normally, then there is a high probability that the LED lamp bead is damaged, and you only need to replace it with the LED lamp bead to solve the problem.
And when our flashlight can't continue to charge, then usually the battery life of le's rechargeable flashlight has expired, or it is caused by our improper operation. At this time, we must complete the rechargeable flashlight repair by replacing the rechargeable flashlight battery. When your flashlight's light effect flickers, it's usually the flashlight's diode that's the problem. You can use a multimeter to detect whether the diode is damaged, and complete the flashlight repair by replacing the flashlight diode.