ED flashlight use notes:
Please do not exceed the pressure, the voltage should not exceed 4.2V.
Battery positive front, do not reverse, and although there is reverse connection function, or try not to try.
Pay attention to control the temperature change of the torch to ensure the heat dissipation.
For flashlight waterproof, shockproof and other instructions, strengthen prevention.
The natural discharge rate of lithium batteries will release about 1% or less each day when they are not in use. Although they are slow, they will last too long.
6. In use, when the torch brightness significantly dimmed, charge immediately. The use of lithium batteries when using electricity as well as 1/3 when charging, the battery voltage is 3.0V must charge, must not be remembered no allowance to the battery charging, the battery can be easily damaged, will not damage the battery charge and.
7. Non professional personnel do not open circuit board