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1. Usage Instructions:

1. Check the battery: Ensure that the battery is charged and installed in the correct direction, such as in a flashlight.

2. When using a flashlight, choose the battery based on the requirements of the flashlight and the voltage, do not use randomly, to prevent the circuit board from being burned out, do not use different models and voltages of batteries at the same time;

3. During use, when the flashlight's brightness significantly changes, turn it off to prevent excessive discharge of the battery and charge it in time; Pay attention to the flashlight's waterproof, moisture-proof, and anti-fall features. After the indicator light changes when charging, remove it in time to avoid overcharging;

4. Batteries that have not been used for a long time should be fully charged and maintained, and it is recommended to charge and discharge them once every three months or so to avoid chemical corrosion;

5. The inner wall of the lamp cup should be kept clean, and it should not be wiped with the hand or hard objects. To remove fingerprints on the lens, use a cotton swab dipped in lens cleaner to gently wipe it.

6. Do not leave the flashlight in direct sunlight, water, chemical products, or corrosive gases for a long time, to avoid damage to the flashlight;

7. Non-professional personnel are not allowed to disassemble the flashlight to prevent damage to the circuit board.

Attention:

1. Do not directly shine light into the eyes to avoid causing damage to the eyes;

2. Do not use the product under excessive pressure; the voltage should not exceed 4.2V. Do not reverse the battery, or it may damage the circuit board.

3. Please ensure that the positive and negative poles of the charger are correctly identified when charging, and do not overcharge or overdischarge the battery to avoid damaging the battery's lifespan (the charging time is generally 5-8 hours).

4. When using the flashlight, check that all threaded areas are tightened without looseness, otherwise it may cause the flashlight to not light up or to light dimly.

5. Torches should be avoided from being placed in direct sunlight or high-temperature environments. After use, please remove the batteries and store them in a cool and dry place after being fully charged.

6. The company's flashlight is water-resistant for everyday use, and it usually holds up well after being exposed to rain. However, it is not designed for diving, so please do not take this flashlight diving or leave it in water basins or bathtubs for a long time.

7. To maintain the smooth rotation of O-rings (sealing gaskets) and screw threads, please apply Vaseline oil to their surface every 2-3 years.

Three, Charging Instructions:

     If the battery is not fully charged, it should be charged in time to avoid affecting the battery life. During the long-term storage of the battery, it is also necessary to charge the battery.