If you need a flashlight, there must be a reason to need it, an expensive flashlight do not equal to a good working flashlight. The best one is always the one suitable for ourselves. In order to help some people who do not know much about the LED find the suitable torch. you need to find what you require, then you can find the one you need and suitable for yourself.Now in order to let you have a clear understanding of the flashlight, we can start from its function, and tell you how to select a satisfactory flashlight.by the way, it maybe give you helps if you buy it from the online shop.it can help you to judge the quality of the led flashlight.
Generally, flashlight should has the following functions:
1.Walking lighting flashlight
Walking lighting flashlight is the most common use function, which used for up and down to the floor at night and night working, or going out, only for the walking lighting, generally requires a pan light with plenty of medium brightness, good color rendering. This kind of flashlight do not require high quality, and with wide range of options.
2.Flashlight type: with 18650 or AA
The required brightness: normal lighting would be fine for the walking light, 1W power AA flashlight is okay. 18650 flashlight would be better if village dirt road or mountain road.LED light color: Dry pavement suitable for white light LED, hot white or natural white LED would be a better choice if it's the mountain or in slippery situations.at the same time, you had better use the lighting volt tube if you have it, safety is the most important.
3.Circuit gear: Single gear or high, medium, strobe flash three gear. The strobe flash is used to remind people and when cross the road.
4.The light cup: require good floodlight, so we recommend using orange peel cup, and preferably shallow . The reason to use shallow one is not only lighter relative condenser, the more light the LED flashlights is directly emitted ,not via the reflector bowls reflecting. The benefits of not via reflector bowls reflection, orange peel reflector has less efficient, and some can only reach about 70%, so not via reflection will be more light a little. When the use of smaller power of cheese case, I do not recommend using orange peel cup of the cheese, higher reflecting rate of glossy cup cheese is better choice, of course, refers to the light a little glossy Cup.
5.Require to achieve external appearance: According the personal favor.
6.Require waterproof function: night raining.waterproof is enough.
7.Price: According to personal economic, generally for middle or low-cost .
II .EDC (EDC means every day carry with them for a rainy day)
1.Flashlight Type:of course ,EDC should be convenient to carry. As different requirements, battery and volume of Flashlight are different: the most convenient AAA; 16340 is the brightest and most long-range, all aspects of functioning are good and most convenient is to buy batteries AA; long last battery should be 18650 .
2.Required to achieve brightness: the EDC flashlight and walking flashlight has many common points, only difference is in the case reached four weeks functioning requirements must be sufficiently small in order to facilitate carrying. So I think the EDC flashlight requires much brighter than walking flashlight. Another feature of the EDC is in a large part of the hour by simply highlighting a few seconds or a few minutes, without considering the fever as long time lightening. Therefore, higher brightness light is better to use the lithium battery. General requirement is AA or AAA.
3.LED flashlight color: white color would be fine.
4.Various types of battery life: to pursuit of a highlight, then to use various types of lithium batteries. LED power 3W, current 750MA: 18650 battery last long for three hours; 16340 and 14500 is 1 hour; 15266 and 10440 is 20 minutes; the normal used battery is fine if you are looking for the medium-power with good quality. Rechargeable AA batteries, the discharge current 2A mercy, life time is about 1 hour; to reach a 2200MAH alkaline AA batteries with the capacity of the high-quality, discharge current 1A mercy, life time is about the nearly two hours (with 2A current uneconomical discharge, often only highlighted more than half an hour); garbage AA batteries, 1A discharge nor economic, best choice is the 500MA current discharge, battery life time can reach about 2 hours.
5.What circuit: 18650 cylinder preferably use 7135 composed of a constant current circuit, does not recommend using the booster circuit, the 7135 circuit constant, high efficiency, 7135 error of the constant current circuit when the voltage is low to the inevitable level the lower, the more brightness, this error fallacy in the EDC often benefits: Who can guarantee that your flashlight full of power when you need it, when battery with low power, the 7135 circuit just be able to supply a very dark light, at least able to deal with it. As for AA flashlight, it would only boost circuit can be used you, preferably with good quality and efficiency, to save power and last long life time.
6.Circuit gear: high, medium, low, strobe flash, SOS, the widely used are high and medium two gears
7.What kind of light Cup: head diameter is like straight 18650 and 16340, recommend using a lighter orange face cup. The reason to use shallow reasons, is not only lighter relative condenser, the more light the LED light is directly emitted via the reflector bowls reflecting to. The benefits via reflector bowls reflection, orange peel reflector less efficient, and some can only reach about 70%, so not via reflection will be brighter a little in the case of the use of the cheese head smaller, the like AAA bobbin, recommendations Smooth cup cheese reflecting a higher rate, and good glossy cup can also be in the AAA near clustered into a spot, there is a the brightest spot is still fresh fighting.
8.Required to achieve external appearance: Required wearable, like stainless steel or HAIII
9.Requirements the waterproof functions: Anti-year night rain shower.
10.Price: according to the personal economic strength, the general choice of high quality flashlight, as we will carry it everyday, so it is better to take a convenient one.
10.Outdoor search (hunting or outdoor activities, the need to highlight and necessary long-range)
IIIOutdoor search (hunting or outdoor activities, the need to highlight and necessary long-range)
1.Requirements to achieve the brightness: lot are overclocking used the LED, use 18650, the current reaches the 1000ma is normal, 1200ma is closely to reach the limit of the LED, even add more current but the luminous intensity adds a very small. As this happened LED life has been reduction, so it is not recommended to across 1200ma, at this point, the LED depletion power reach 4.5w
2.LED light color, in the case of ,the humid conditions, preferably with a thermal color LED, in the case of dry, preferably with a white LED, because the white color than the heat should be brighter.
3.Various types of battery life moments: the pursuit of highlighting, use 18650 big head, power 3W, minimum current requirement is 750ma, the lift time is 3 hour: current 1200ma, power reach 4.5w, this is maximum of Q5’s LED, because of the boost circuit, then the current is 1200ma, the battery-side current may reach 1.2 to 1.7a, the lift time is 1.5 hour.
4.Circuit to stall: high, medium and low grades and five-speed.
5.What light cup: because they require less floodlight, generally it is a deep fresh fighting a large-caliber glossy Cup.
6.What circuit: certainly use 18650 lithium battery, but the Q5 voltage is high ,battery 3.7V discharge platform can not be sufficient large current supply to the LED, it is generally to use booster circuit, The ones with excellent quality and efficiency is best choice, because of the short life time of the highlighted file and uneconomical.
7.Required to achieve beauty of outside in the processor: the general requirement is black.
8.Price: according to what I need to achieve what kind of long-range function to achieve the high brightness and super-long-range function, general choice in high-priced flashlight, brightness and long-range function outside unsightly compromiseit is entirely possible to use in low-cost flashlight.
9.Requirements the waterproof functions: at least anti annual night rain shower, because sometimes wading, so the general requirements is when the torch at high temperatures and soak in cold water with no problem.
This is the fundmental function of the LED flashlight , I think it is very useful function and can give you
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