High Intensity Led Torch

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Led what's in the battery in the mini rechargeable flashlight?
High power LED flashlights generally use lithium batteries or alkaline batteries or nickel hydrogen batteries.
The flashlight is not T6 lamp is the best?
The flashlight is used LED lamp, flashlight lamp or general discrimination
What material does the LED flashlight battery contain? Is it a lead-acid battery?
Lithium, lead-acid are useful, generally one hundred or two hundred to dozens of pieces can use electricity into the mostly used lead-acid batteries (than poor quality)
The Led flashlight has been charged for a very short time. Is there something wrong with the battery?
The first charge is very important, he will soon be used up, and then fill the point, so that the battery life longer, the use of lithium batteries to explore the better effect
LED flashlight batteries instead of cell phone batteries
Can you LED this flashlight, if the original is the use of a small battery, the voltage is generally about 4V, while the voltage is 3.7V mobile phone battery is fully charged when, 4.2V can be directly substituted.
LED flashlight is how to change the weak light, what switch?
The irradiation effect of strong flashlight, C10 flashlight is equipped with 800 lumens XML T6 LED single chip CREE, close the pan light intensity, long distance focusing, pavement irradiation effect is great, is outdoors and night riding choice. 18650 small straight, otherwise T6 LED with small size, brightness super awesome. You can exchange.
I want to put the flashlight's LED led on the 12V motorcycle. When the rear taillight is used, how can I change the line?
I want to take a flashlight LED light emitting diode (12 ordinary flashlight) on 12V motorcycle taillight when I ask how to use line to add resistance.. how much how to light it. Not easy to burn to know friends for a program or circuit diagram, thank you!
What's the resistance on the LED flashlight?
If 3 heads (3 LEDs), the operating current is 3*20mA=60mA=0.06A, the voltage at both ends of the resistor is 3-0.7=2.1V, so the resistance power is 2.1V*0.06A=0.136W., so the power of the resistor is 1/4W.