Batteries are an important part of our lives in the modern world. There is no doubt that everyone uses it every day, from cars to mobile phones and all other electrical devices. The battery is very important in our lives, but surprisingly, most people do not know how to properly store and protect it. Therefore, this article lists some tips and techniques for making full use of the battery and hopes to help everyone. Image source: Shutterstock. Do not freeze batteries It is a common "myth" to extend the life of the battery in the refrigerator. A lot of people may remember that by putting a few batteries that run out of battery power into the refrigerator, you can make Gameboy consoles play for a few more minutes. However, this is only a myth. In fact, there are still dangers. Changes in temperature can cause damage to many batteries, cause the internal liquid to expand or contract, and damage the seal of the battery, leading to the leakage of harmful substances. Understand battery differences and different uses At this stage, the two main types of batteries are lithium and alkaline batteries. Understanding the differences between them helps to fully utilize the batteries. Lithium batteries can be used for charging, and are therefore widely used in mobile phones and other devices. These batteries are high in performance and are designed for repeated charging and slow release of energy. Currently, rechargeable lithium batteries of No. 5 and No. 7 are also on the market and they are sold. Little pollution to the environment. Alkaline batteries are the most common types of products on the market. The most common type of TV remote control is this type. They are cheaper and more economical, but they can't be recharged, so they are more suitable for devices that work at low power or occasionally. Store the battery properly If you want to maximize the battery life, battery storage is very important, many companies are due to improper storage, resulting in a significant loss of potential battery life. Not removing the battery pack is a good way to keep it clean and away from other metal objects - metal objects may cause the battery to release part of the stored energy, because the temperature fluctuations will reduce the performance of some batteries, and make it a harmful leak, so the most Store the battery at room temperature and away from heat. If stored at room temperature, the shelf life of cylindrical alkaline batteries is approximately 5 years; cylindrical carbon batteries can be maintained for about two years, and cylindrical lithium batteries can be stored for 10 to 15 years. Battery cleaning Corrosion and dirt on the battery terminals may greatly reduce their ability to transfer energy, which greatly reduces their efficiency. The above situation can be cleaned with rubbing alcohol and cotton swabs, but wait until the battery is completely dry before use. Keeping the battery clean can greatly extend the battery life and maximize the return on electricity. Used battery recycling Since old batteries contain many harmful chemicals, they should not be thrown into the rubbish dump but should be recycled. Many recycling centers accept batteries and may even pay for larger batteries. It is very important to not waste batteries. Recycling is a good way to achieve this goal. In the United States, the Earth911 website can provide users with a list of nearby recycling centers. Battery test When the battery is installed, it is found that it has no power, which is frustrating and time-consuming. To avoid this situation, new batteries should be tested before installation. The test battery needs a tester, and most battery testers are inexpensive and can be purchased in any hardware store. Before installing the battery, ensuring that the battery is in working condition not only saves time, but also saves some money. . Note: The last three techniques in this article were added for Franklin Zhao integration. Select original or brand charger Use a special charger for the lithium battery and follow the instructions. Otherwise, the battery may be damaged or even dangerous. In addition, the lithium battery may be overcharged, and the qualified charger will not be overcharged (overcharge protection function), but the low-quality charger may cause this, and the internal temperature of the battery rises very high. Lithium-ion batteries and chargers are harmful, resulting in reduced operating time, premature battery failure, and even fire or explosion hazards. Lithium battery adjustment period If the newly purchased mobile phone battery is lithium ion, then the first 3 to 5 times charging is generally referred to as the adjustment period and should be charged for more than 14 hours in order to ensure full activation of lithium ion activity. Lithium-ion batteries do not have a memory effect, but they have a strong tendency to be fully activated before they can be used to achieve optimal performance. Before the battery was shipped from the factory, the manufacturer started the process and pre-charged it. If the standby is still seriously insufficient after being charged according to the time of the adjustment period, in this case, the adjustment period should be extended and 3 to 5 full charge/discharge cycles should be performed. Battery self-discharge and activation Cell phone batteries are self-discharged. When not in use, NiMH batteries will discharge about 1% of the remaining capacity every day. Lithium batteries will discharge 0.2~0.3% per day. When charging the batteries, use special sockets as much as possible. Do not share chargers with TVs and other home appliances. socket. The battery life depends on the number of repeated charge and discharge, so it should try to avoid charging the battery when there is excess power, which will shorten the battery life. When the mobile phone is turned off for more than 7 days, the battery of the mobile phone should be fully discharged before it is fully charged. If the mobile phone battery is left unused for a long period of time (for example, three months), it is best to go to the cell phone repair department to activate the battery. Do you have other battery use/protection tips? Please share it with us in the comment box. Compilation: Franklin Zhao, EDN China The Electromagnetic Lock for smart cabinets is a very popular electronic lock on the market. 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