Flashlights have been in the market for many years, but rechargeable flashlights have a short history. So, many countries and areas do not have rechargeable flashlights. If you are in such place, you need a 3.7v rechargeable flashlight. Why? The article below will show you some reasons.

For battery cost.  If you are still using the disposable battery, you may need to spend much on the battery. But if you get a rechargeable flashlight or battery, you can save a lot. After, one time input, and use for a long time. Now, for user’s convenience’s sake, rechargeable flashlights are available, which means, users do not need to remove the battery out from the flashlight and directly charge the battery inside. Among rechargeable flashlights, 3.7v rechargeable flashlight is most popular. Because a 18650 battery is enough for general uses.

For brightness. Now, as the development of flashlight manufacturing, flashlights are much better than previous ones, and the brightness is one of the better factor. Generally speaking, 3.7v rechargeable flashlight uses LED as lighting source, and the brightness is higher than and bulbs in the past. In addition, with constant circuit chip, the rechargeable flashlights can keep constant brightness until the power of the battery left a little.

Other reasons why you need a rechargeable flashlight

1. Long burning time. Generally speaking, a 350 lumen bright flashlight powered by a 18650 battery can last about 2 hours in high light mode, and if in low light mode, the flashlight can last more than 72 hours.
2. If you want your flashlight can work outside when it is rainy, you need a waterproof flashlight. Now, most 3.7v rechargeable flashlights are waterproof and with the IPX 68 level, even you drop it to water, it can still work.
3. Self-defensive purpose. Now, rechargeable tactical flashlights are available, different from common flashlights, tactical flashlights have attack head or tail, which can attack others in emergency and save your life.