A. Switch instructions

1. The battery is positive inward + and negative outward --

2. The switch is at the end.

2. Circuit board instructions

1. The flashlight of our store adopts advanced constant voltage current technology, which can effectively solve the requirement of LED flashlight on constant voltage current.

2. Special note: a. please do not use the overpressure, and the voltage should not exceed 4.2v b. do not turn the battery forward, or it will burn the board

3. Warranty description: open or treated the circuit board is no longer under warranty.

3. Instructions for lithium battery

1. Features of lithium battery: the charging mode of lithium battery is totally different from that of mobile phone battery; Lithium batteries have no memory and can be charged at any time.

2. Charge for the first time for at least 6 hours.

3. Special tips: use the \"three-proofing\" charger with anti-overcharge, anti-reverse connection and anti-short circuit;

4. If the battery is not used for a long time, the battery shall be fully charged and saved, and the battery shall be charged and discharged again normally within three months or so;

Four. Fan instructions

1. When the fan is in use, choose according to the fan's requirements on voltage and battery. Do not use it carelessly, in case of burning the circuit board.

2. In use, turn off the fan when the brightness of the fan changes slowly, so as to prevent the battery from overshooting.

3 ソ cooling techniques: the torch is in use process, to ensure the heat dissipation. Strongly request battery full charge time, had better use second, such can let the lamp head of flashlight and battery get extend product life!

Five. troubleshooting

1. Check the battery: make sure the battery is energized and installed in the right direction. The batteries of different brands are not allowed.

2. Check the tail cover: make sure that the switch is tightened and in good contact with the tail cover