Torch is one of the indispensable tools in the home. Nowadays, there are many ways for people to choose flashlights to store electricity. For example, batteries can be roughly divided into disposable batteries and rechargeable batteries. Furthermore, there are many types of primary batteries and rechargeable batteries depending on the combination of positive and negative electrodes. Due to the different performance and characteristics of different types of batteries, it is necessary to select the most suitable battery for the purpose. A rechargeable battery is a rechargeable battery. Discharge to load and are more rechargeable than disposable or primary batteries, fully charged and discarded after use. It consists of multiple electrochemical cells. Discuss the pros and cons of rechargeable batteries today.
Advantages of rechargeable batteries:
1. A more affordable option: The rechargeable battery has a long life and can be cycled more than 1000 times. Although the price is higher than dry batteries, it is more cost-effective for long-term use.
2. Long service life: The rechargeable battery's capacity is larger than that of the dry battery of the same specification, and the battery life is longer.
3. Higher technology: Rechargeable flashlights are a trend, not just flashlights, many electronic products generally use rechargeable batteries, and this charging method has also evolved in performance due to its wide application. The widespread use of rechargeable batteries lies in the continuous advancement of technology.
4. Will does not pollute the environment: After the dry battery is discarded, whether it is in the atmosphere or buried at the bottom, its heavy metal components will overflow with the exudate, affecting the acidification or alkalization of soil and river systems, and affecting human health over time. will not have this effect.
Disadvantages of rechargeable batteries:
1. Requires electricity and a charging cable: If you forget to bring a charging device outside or the flashlight runs out of power during a power outage, it will be more troublesome. With this in mind, dry batteries are more convenient to use and work in a variety of environments.
2. Carrying limitations: Compared with dry batteries, rechargeable batteries are heavier and less convenient to carry, which may affect the experience, especially for those who use the flashlight for work purposes or store it in a small drawer for home use.
3. Not suitable for every environment: Compared with dry batteries, the energy conversion rate is high, the function is stable and reliable, it can be used in various shapes and sizes, and it is easy to maintain and suitable for various environments. The advantage of rechargeable batteries in this regard is not so obvious.
When choosing a flashlight, we consider usage, location, price, environmental impact, and more. There are so many different types of flashlights on the market these days that it can be difficult to choose the one that best suits your needs. So if you want a long-term reliable light source, you can consider the factors listed to help choose the best rechargeable flashlight you'll be using, here are a few things to consider:
1. Light output lumens: This is a good comparison parameter, the light output of a flashlight can range from a modest 20 lumens (great for reading a book) to a dazzling 3500 lumens. Beam distance is measured in meters, which is how far the light will shine when it dims to the equivalent of a full moon. Full moon lighting is considered enough to travel outdoors safely and carefully.
2. Battery charging time: The rechargeable built-in lithium battery can be charged from a USB connection through an AC or DC power outlet or a solar panel, etc. In hours, the run time of a flashlight is how long it takes for a new battery's light output to drop to 10% of its rated output. The light output may gradually decrease over time, or remain essentially the same and then disappear suddenly.
3. Elemental Protection Ratings: Most flashlights have an Ingress Protection (IP) rating, which indicates how many solids or liquids can enter the flashlight before it gets issued. The IP indicator has two numbers next to it. The first number is an indicator for solids — 1 stands for objects larger than 50mm, and six means that even dust cannot enter the flashlight. The next number indicates the flashlight's liquid protection factor. One shows that the flashlight can resist rainfall, and eight are fully submerged in waters deeper than 1 meter for more than half an hour.
4. Shock resistance: The impact resistance is measured in meters, and is tested by dropping the flashlight on concrete at a rated distance for six times. This test is mainly to ensure that the flashlight can work normally after an accidental drop. At present, most outdoor flashlight shells use Aviation aluminum alloy material and a hard oxidation process, this impact-resistant, explosion-proof material has the characteristics of lightweight, high hardness, and strong wear resistance, and the front end of the flashlight uses high-hardness explosion-proof lenses, which have stronger impact resistance and can Easily resist all kinds of collision stress of outdoor sports.