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FAQ

How much is the working voltage of LED lamp flashlight
LED flashlight lamp working voltage, working voltage and the flashlight is different. LED lamp operating voltage, a variety of specifications, single lamp voltage in the 2.5V to 3.0V. And flashlight work voltage also has a variety of specifications, roughly from 3.0V to 12V more common, and even have strong light of 28, 36 volts have.
Troubleshooting of LED flashlight
LED dead light is not bright, replace LED can be, but note that + polarity can not be reversed
How does the LED flashlight determine the intensity of illumination?
LED flashlight and flashlight flashlight is the biggest difference is that there is no light, flashlight power and distance, but lighter than flashlight, low energy consumption, use a long time.
How about the LED rechargeable flashlight bulb flashing?The components are intact and flashing
LED and damaged only replace the bad light emitting unit. The electronic market can go to buy a few and your flashlight like LED, very cheap, the only bad welding off, replaced it, the remaining few backup, because will bad. A long time you will find LED the brightness of a, this is the voltage to blame
The hernia lamp and the Led light flashlight are good
Auto light is hernia, definitely longer than LED life, brightness
How to change LED flashlight to blue light?
1, needs to buy blue light LED lamp diode;2, open the LED flashlight, the original LED diode is removed and replaced with blue LED diodes, connected by soldering solder joint;3, the LED flashlight assembled, press the power test lamp can.
How many watts of LED light flashlight is there in Section 5, battery 3?
Not more than 3W, right?Can only say is 4.5 volts, how many watts not say.
Why hold a few moving magnets, manual power LED flashlight bulb will shine?
Compared with ordinary torches, the LED flashlight has high luminous efficiency, that is, it glows under the same brightness, and the same battery LED flashlight has a long luminous time. So you don't have to use your hand to generate electricity.