The solution to the fault that the LED lamp beads of the strong light long-range flashlight do not light up and cannot be charged

Update:28 Sep 2021
Summary:

1. The led flashlight does not light up 1. The light so […]

1. The led flashlight does not light up

1. The light source of the flashlight is not bright

The bright flashlight has electricity, but the light source is not bright;

1.1. The signal indicator of the switch button of the strong light flashlight can be lit, but the light source cannot be lit;

1.2. There is no response from the strong light flashlight, and the strong light flashlight does not light up;

1.3. The bright flashlight can light up, but the brightness is too weak.

solution

This kind of problem generally occurs when the circuit board of the strong light flashlight is aging or damaged, and the light source is aging or damaged. If the brightness of the light source is dark, it is usually caused by the aging of the light source. Replace the light source of the same specification. In this case, repair is recommended.

2. The led flashlight cannot be charged:

1. The charger is damaged or the charger is incorrectly used

Strong light flashlights can light up, but you can’t charge explosion-proof flashlights when you see the electricity is fast to use. This kind of problem generally appears in the following problems.

1.1. The indicator light does not light up after the charger is plugged in;

1.2. When the charger is plugged in, it shows green, but the battery is not full, the flashlight (≤4.1V) is still showing green in the charging hole of the strong light flashlight;

1.3. Use the wrong charger for a long time or use the wrong charger.

solution:

1.4. Plug the charger into other products of the same type to try to charge;

1.5. Touch the positive and negative poles of the charger for a short time to see if the indicator light changes;

1.6. Make sure that the charger is our special charger for this product.

2. The internal structure of the charging kit is faulty

The charger is good, but it can’t be charged. This kind of problem is rather confusing. How to remove the plug failure;

2.1. Check whether there is thick flying dust or debris in the charging hole, or the charging thimble is not in the center and cannot be contacted normally;

2.2. Remove the charging tail cover to check whether the internal wires are dragged down,

solution

2.3. Set the charging thimble to the positive and ensure that the positive and negative poles of the charger's charging head can be contacted.

2.4. Re-solder or reconnect the disconnected wires.

3. It can be bright when charging, it can't be bright without charging

Plug the charger into the charging hole and it can be used normally, but no matter how long it is charged, it will not light up or the light will be on for a short time as long as it is not charged;

3.1. Insert the charger into the charging hole and the strong light flashlight can light up normally, but the strong light flashlight does not light up or stays on for a short time without charging.

solution

3.2. Such problems are generally caused by battery damage or battery aging, just replace the battery assembly.