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Question:

What are the parts of a LED flashlight?

What are the parts of a LED flashlight?

Answer:

First: LEDSecond: BatteriesThird: circuitFourth: barrel, reflector cup

The shell, including the shell, reflector bowl, switch, etc.!

2. circuit: boost circuit, according to the battery used to boost the circuit to a certain value, to meet the requirements of light-emitting diodes, generally about 3V. If it is a lithium battery, there is a step-down circuit, as well as discharge protection circuit.

1. LED led for lighting

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