How to choose a high-power LED flashlight (for reference only):
1, look at the number of heads, the number of heads should be moderate. Generally, the number of households should not exceed 12, and the battery used should be 2 to 3 knots. If it is large, it will be a little waste. For other special needs, it can be determined according to the needs. Of course, high-power Hight Power LED flashlights generally cannot reach the number of 12 pieces.
2, look at welding, welding must be strong. Each diode is connected to the circuit board by soldering. If there is a bad solder joint, it may cause the beads to be off or affect the overall use.
3, look at the battery, there are two kinds of ordinary batteries and lithium batteries, although lithium batteries are rechargeable batteries, but the life is low, about 2 years, the life of LED is about 10 years, can be selected according to the actual situation
4, look at the brightness, a good LED flashlight with high brightness, slow decay.
5, look at the light bulb, the light bulb is extinguished, it is difficult for the naked eye to distinguish its good or bad, you can see the consistency of the light bulb in the case of lighting.
6, look at waterproof, good LED flashlight with waterproof function, good seismic performance, that is, resistant to falling. Because it belongs to electronic products, there is a circuit board at the front of the flashlight. Once it enters the water, it is easy to short-circuit and cause damage.
7, look at the aperture, a good LED flashlight aperture is a uniform circle, the difference LED flashlight spot is divided into yellow and blue uneven distribution. The electro-beads are concentrated as much as possible. This kind of flashlight can not adjust the focal length like ordinary flashlight. When buying, be careful not to have astigmatism.
8, look at the appearance, you can choose aluminum alloy shell, beautiful and generous.
9, look at the shape, according to the specific use occasions and uses, you can choose the appropriate size of the size of the flashlight.
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