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Letter V: 13615799156

1. Instructions for Use of the switch

1. The battery is positive pole facing inside +, negative pole facing outside--

2. The switch is at the tail, and the switch function is the switch function,

II. Circuit board instructions

1 torch adopts advanced constant voltage and constant current technology, which can effectively solve the requirement of constant voltage and constant current for LED torch.

2. Special tips: a. Do not use it over pressure, and the voltage should not exceed 4.2V B. The battery is facing forward, do not set it in reverse, otherwise it will burn plate c. Pay attention to controlling the change of flashlight temperature to ensure heat dissipation d. Do not open the circuit board for non-professionals.

3. Warranty description: no longer covered by warranty after opening or handling the circuit board.

III. Lithium battery instructions

1. Features of lithium battery: the charging method of lithium battery is completely different from that of mobile phone battery; Lithium battery has no memory, and can be charged at any time, and should not be overcharged or overdischarged.

2. It takes at least 6 hours to charge for the first time. In the future, it will be OK to turn on the green light according to the charger. It is not necessary to overcharge.

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

4. If you do not use the battery for a long time, you should fully store the battery and charge it once again in about three months normally;

IV. Fan instructions

1. When the fan is in use, select it according to the requirements of the fan on voltage and battery. Do not use it indiscriminately to prevent the circuit board from being burnt out. Batteries of different models and voltages should not be used at the same time.

2. In use, when the brightness of the fan changes slowly, turn off the fan to prevent the battery from being over-discharged.

3 ソ heat dissipation skills: ensure heat dissipation during the use of the flashlight. It is strongly required that when the battery is fully charged, it is better to use the second gear first, so that the lamp holder and battery of the flashlight can prolong the service life of the product!

V. Troubleshooting

1. Check the battery: make sure that the battery has electricity and the battery is installed in the correct direction. Batteries of different brands cannot be used. New and old batteries cannot be mixed.

2. Check tail hood: make sure that the switch is tightened and in good contact, ensure that the tail Hood is in good contact with the tail Hood pressure ring metal sheet, and pay attention to whether the lamp holder is loose.