The most critical storage conditions of the model lithium battery are temperature and humidity. Generally, room temperature has little effect on the state of the lithium battery, but there should be no direct sunlight. High temperature will easily cause the model lithium battery to swell or explode, so the model lithium battery is generally used Store in a light-proof metal box or plastic box. If the discharge performance of a single model lithium battery is very good, you also need to buy a model lithium battery explosion-proof protective bag. This reinforced bag has a reinforced net inside to prevent high-energy model lithium batteries In the event of a leak and explosion, it will cause harm to other objects.
The storage voltage of the model lithium battery.
The model lithium battery is generally a lithium polymer battery, and the lowest value of its safe use voltage is 3.6V, but in order to ensure that the battery will not be damaged due to excessive discharge, the general lowest use voltage is the lowest safe value of 3.7V, and the highest charge cut-off voltage is At 4.2 volts, when the voltage is the highest, the battery energy storage is the peak value. If the high voltage is kept for a long time and not used, the gas generated by the reaction in the lithium battery cell will be generated and begin to accumulate, and the lithium battery will bulge after a long time. , Commonly known as "big belly", in order to avoid this situation, the storage voltage of the model lithium battery is generally controlled at 3.7 to 3.8 volts.
Cryopreservation
Lithium-ion power battery needs to be fully charged before storage. It can be stored for more than half a year at 20°C, which shows that lithium-ion power batteries are suitable for storage at low temperatures.
Someone once suggested storing the rechargeable battery in the refrigerator, which is indeed a good idea. Lithium-ion power batteries have self-discharge, and long-term storage will cause the battery to over-discharge and destroy the internal structure of the battery, reducing battery life. Therefore, long-term storage of lithium-ion power batteries should be recharged every 3 to 6 months, that is, charged to a voltage of 3.8 to 3.9 volts (the optimal storage voltage of lithium batteries is about 3.85 volts).
Precautions for Lithium Battery Storage1. Lithium batteries should be kept at 50% to 60% state of charge when stored for a long time and should be recharged every 3 months, and should be charged and discharged every six months.
2. In the process of transportation, you should pay attention to moisture, moisture, and avoid squeezing, collision, etc., to avoid damage to the battery.
3. It is forbidden to use or place the battery under high temperature (in the hot sun or in a very hot car), otherwise it may cause the battery to overheat, catch fire or function failure, and shorten the life.
4. It is forbidden to store it in places with strong static electricity and strong magnetic fields, otherwise it will easily damage the battery safety protection device and bring hidden dangers of insecurity.
5. If the battery emits peculiar smell, heat, discoloration, deformation, or any abnormality during use, storage, or charging, immediately remove the battery from the device or charger and stop using it.
6. Waste batteries should be covered with insulating paper to prevent fire and explosion.
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The wireless bluetooth speaker supports the function bluetooth player/U disk/TF card/auxiliary player/hands-free call.
TWS can be connected in series. After the two wireless speaker are turned on, press one of Bluetooth speaker the[ M "button and hold for 3 seconds. The two speaker will be automatically paired, and then search for Bluetooth to connect to from phone.
The hands-free call Bluetooth speaker allows you to not miss any calls when listening to music, and can be used outdoors, family gatherings, parties, etc.
The louder Bluetooth speaker can support maximum to 40W speaker subwoofer, and the sound is very shocking. Equipped with a nylon and leather strap, it can be carried with you or cross-body, it is very convenient to carry out, and the use of waterproof fabric, the highest IPX6 level, so you have no worry when traveling outdoors.
Bluetooth Wireless Speaker, Waterproof Bluetooth Speaker, Rechargeable Blutooth Speaker
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