Generally, current LED flashlights mostly use high-power LEDs as light sources. The common 3-5W high-power LEDs generally have a lifespan of 100,000 hours, which is the longer life of the current light source and the advantage of LEDs. Flashlights The lifespan of the product depends on the quality of the product. It is not that the life of the bulb is long. The life of the LED flashlight must belong. It also depends on the life of the flashlight’s drive circuit and electrical components. If a flashlight of qualified quality is used for several years, there is no problem at all.
The power of the LED used in the LED flashlight is not necessarily. Generally, the 1-3W LED is used on the pocket flashlight below 10CM, while the larger one is generally 3-5W or even 10W. The larger one uses multiple 18650 batteries. For the flashlight, you can use a 20-50W LED.