Joke Collection Website - Talk about mood - Why is the flashlight bright? Explain the principle in detail!
Why is the flashlight bright? Explain the principle in detail!
High-power LED flashlights use single or multiple LEDs as light sources, and the barrel material is generally made of aluminum alloy. 26650, 18650 and other rechargeable lithium batteries and Cr 123, C, AA, AAA and other alkaline dry batteries provide power, which are connected with high-efficiency microcomputer chips or circuit boards to emit super-bright lighting tools!
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