LED flashlight charging characteristicsRechargeable LED flashlight is a new flashlight with LED (light emitting diode) as light source. Because LED has high brightness, low power consumption, long life, small size and other characteristics, it is the ideal choice for portable lighting. LED principle is similar. But the difference is, LED is not through the electronic transitions inside the atom to emit light, but by applying a voltage across the PN junction LED, the PN junction itself in a level form (in fact, is a series of energy), then the electrons at this level and jump to the light emitting photons. [...]

Led flashlight is generally used 18650 lithium battery has become the mainstream, and the market explosion flashlight battery possession of the number of fake, generally divided into several categories: 1 false capacity: The 18650 China battery technology in the 2200 volume, and many vendors in order to attract consumers, the battery capacity up to 3000 or 3200 false capacity, deceive consumers, reap more benefits. 2 refurbished battery: Refurbished battery from abroad, disassemble the battery, then refurbished by some illegal channels, a false capacity, the tired battery is very dangerous, the consumer is carry on a timed explosives in the side, [...]

Flashlight need to check and test regularly, if found not use, need timely maintenance and processing. In the usual use of the state should pay attention to the use of bright flashlight instructions. The flashlight is a lighting tool but It is quite common for the explosion-proof torch for all of us, is a very strange thing. This article only talk about the flashlight maintenance methods and instructions. Urge the battery is full, it is best to use the second, this can let the flashlight battery lamp and prolongs the service life of the product! With the hand torch heat [...]

If there is a LED light is not bright, please follow the following methods for initial maintenance: First, determine the fault: unscrew the tail, with a battery cathode, with a metal scissors or tweezers, connecting the battery negative electrode and battery beside the flashlight body bare unoxidized part, to see if the light. If you can, is the flashlight switch, please check in step 3; if there is no light please check the circuit positions and circuit board connections are open welding or soldering welding, please re welding if you can solve the problem. Two, check the battery: battery power [...]

Flashlight flashlight products in line with the main requirements of the relevant instructions, you can add a CE logo, but not in accordance with the relevant standards of the general Led flashlight quality requirements can use the CE logo of the flashlight. If any one with CE logo related products instructions related to your flashlight products, and you want to export to any one of the 30 members of the European Union and the EFTA, so CE certification will be the key to your success in trade to europe: After the enlargement of the EU Chinese light Led flashlight enterprises [...]

1: lens focus: the use of light through the strict optical path design of the convergence of the light. Features: small size, convergence effect is good, but the limited range of use, only for a large divergence angle and light core smaller led. 2: reflective cup condenser: the use of light through the design of the lens to focus light. It can be divided into smooth cup and cup of orange peel, better scattering concentration effect of smooth cup less light, but light effect is poor, uneven; concentrating effect than the same type of cellulite cup cup to smooth, pan [...]

In view of the limited knowledge of the consumer LED, a collection of questions to be asked to make the following answer, I hope to help you better use LED to make their own things. 1, LED drive current, voltage is how much? I bought the 50W is how much current, voltage use? 1W LED drive current is 350mA, the voltage varies according to the color is not the same, generally white, blue, green are 3.0-3.6V ranging, and the yellow light, red light voltage is 1.8-2.4V; Using the current 50W will use the current and voltage according to different chip [...]

1, the first few moderate. Household general not more than 12, the use of the battery in the 2~3 relatively good, and then a little bit of a waste, for other special needs can be determined according to their needs. 2, welding to prison. Each diode is connected by welding on the circuit board, if the weld contact is not good, it may cause not bright or affect the whole service. 3, try to focus the spotlight flat bulb. The torch is unlike ordinary flashlight can adjust the focal length, the purchase should pay attention to do not have astigmatism [...]

Overview: the general problem of a small flashlight in general is that the battery life is too short. According to statistics, the average flashlight power consumption is about 2 watts. As shown in figure LED flashlight, the electricity consumption is only 4 24mW, 5 alkaline battery can provide more than 80 service (which means that the sustainable use of 1 months) although the brightness of this flashlight is very limited, but for ordinary road lighting is enough. Working principle: the core of the LED flashlight is a 7555 integrated circuit (not use ordinary 555). A white light emitting diode (if [...]

The AC power supply through a resistance capacitance step-down unit after this, signal display and a bridge rectifier, it is used to charge the battery, the switch, when the switch is open, closed ahead, a group of light emitting diode connected to the work below, this is due to the reverse cutting diode D5 check, above a group is not working; when the switch is closed due to backward, forward by D5, the two groups of light emitting diodes are given the same power and work. That's the flashlight. There are two different kinds of light. The main function of [...]

Buy flashlight for industrial and outdoor lighting, Led flashlight bright flashlight for comfort, good color performance, selection of electric light source light Led flashlight high color temperature. Low color temperature: K's temperature in 2700K 3500K. As at 8 in the morning before the sunrise, lamp, light candles and low color temperature, long red, orange light contains more, the color is softer, gives the visual sense of warm warm; Led flashlight with moderate color temperature: K's temperature in 3500K 4500K, such as the morning after 8, the light from the sun before the 10, contains less orange light and more blue, [...]

Many kinds of flashlight, each type of LED flashlight appearance and price are not the same, to choose what kind of explosion-proof flashlight is the most important, according to the different characteristics of the optional LED flashlight should be based on actual usage, to selection of satisfactory products. Outdoor mobile lighting environment is relatively poor, so all the flashlight with 6061-T6 aviation aluminum alloy, CNC CNC machining center machining precision, durable; the surface of the hard anodic oxidation process, abrasion resistance and corrosion resistance; the waterproof technology, through the installation of waterproof ring means, in order to achieve the requirements [...]

Function: multifunction flashlight, regardless of the day or night, walking in the rugged mountains or other places, encountered ferocious beast or criminals, can advance the alarm off, if the beast or criminals regardless of alarm sound for good attacks or robbery, the good will be with a high attack beast or criminals, realize personal self-defense, at the same time, the alarm sound loud will also called around the rescue workers, it is too. In order to prevent the bad buy multifunctional flashlight, alarm will be partially dismantled, leaving only the high part of the crime, in the design to remove [...]

Rechargeable batteries: they have a lot of different sizes. The rechargeable battery is best used in regular use, and continuous use of time is not very long in the torch. They are the ideal choice because they can at any time on the charger to charge the flashlight for daily household. Usually AA type rechargeable batteries can be replaced by the model of alkaline batteries, but their battery life and brightness will be slightly weaker. The torch designed for charging batteries, light bulbs with their voltage of the battery is consistent (such as wolf eyes 3.4 volt incandescent bulbs), so [...]

Light flashlight certification standards The rapid development of flashlight industry, Chinese is gradually developed into a global production base of the flashlight main products and export base, a large number of LED flashlight manufacturers will explosion-proof torch high quality delivery to all over the world, began to show the importance of certification flashlight. The main products certification standards of various countries are: China light flashlight certification: CCC certification, EU certification: CE certification, North American Certification: UL certification, international certification: CB certification. In addition to the product certification standards, including China CQC voluntary certification, the Canadian Standards Association (CSA) product safety [...]

Pan light flashlight is not a spotlight, projection lamp, lamp. Floodlights manufacture is highly diffuse, non directional light rather than clear-cut, thus generating soft shadows and transparent objects, used for lighting, lighting is reduced faster than with the spotlight lighting is much slower, and even some lighting weakened floodlight is very slow, it looks like a don't cast a shadow of light. The spotlight projects a directional, well-defined beam of light that illuminates a particular area. The application of the universal light flashlight mainly has the telescopic focusing or the rotating focusing flashlight. LED flashlight flashlight, the daily use of [...]

Rechargeable LED flashlight and the difference between LED flashlight LED flashlight, also known as LEd flashlight, is a new type of light emitting diode as a light source, it has the advantages of power saving, durable, strong brightness and so on. Currently from the market popular flashlight classification point of view, mainly divided into two: rechargeable batteries LED flashlight and non rechargeable battery flashlight. And rechargeable flashlight, through the battery classification is divided into: lead-acid batteries, lithium batteries, NI-H batteries, etc., due to the current price of lead-acid batteries are cheap, in the market share of the large amount of.

Basic knowledge of flashlight batteries Flashlight battery 1AA (1 battery 5), 2AA (2 battery 5), 3AA (3 5 batteries), 5 batteries and alkaline batteries is usually said can not charge the dry battery (1.5V) and rechargeable NiMH batteries (1.2V); there is the lithium battery voltage, 2.45-4.20V, 14500, 16340, 18650 models and so on, these figures some faint many friends, said what ah, is actually very simple, specific model numbers are 14500 reasons, such as the cell diameter is 14 mm, the length is 50 mm; 16340 cell diameter is 16 mm, the length is 34 mm, and so on, the [...]