3.7v 18650 lithium battery

　　What is the function of a 3.7v 18650 lithium battery and how to maintain it?

　　The battery can supply power to the starter and ignition system, and can absorb the instantaneous high voltage that appears in the circuit to protect electronic components. We turn off the lights and air conditioner before parking every day, and the car also needs to roll around frequently. Here is a detailed introduction to "car batteries" What it does and how to maintain it.”

　　1. The function of 3.7v 18650 lithium battery

　　1. When the engine is started, the battery supplies power to the starter and ignition system (gasoline engine).

　　2. When the engine is running at low speed, the battery supplies power to all electrical equipment and the generator excitation winding.

　　3. When the engine is running at medium or high speed, the battery converts the remaining electrical energy of the generator into chemical energy and stores it.

　　4. When the generator is overloaded, the battery assists the generator in supplying power to electrical equipment.

　　5. The battery is also equivalent to a large capacitor, which can absorb the instantaneous high voltage appearing in the circuit, protect electronic components, and also plays a very important role in maintaining voltage stability of the automotive electrical system. This function can only be guaranteed when the battery is in good working condition, which is easily overlooked by people.

　　2. How to maintain the battery

　　1. Before parking, turn off the lights and air conditioner.

　　Some older models do not support the automatic power-off function after the engine is turned off, so you need to manually turn off the lights and interior reading lights before turning off the engine. If you need to find something in the car or need lighting, you can use your mobile phone or flashlight for lighting, so as not to turn on the reading light and forget to turn it off, causing the battery to lose power. There are also many people who tend to ignore the air conditioning system. After the engine is turned off, the air conditioner remains on. Although there is no energy, the air conditioner cannot be started. However, when we start the car again, the air conditioner will run automatically, which puts a heavy load on the battery. If it is very large, it will also affect the life of the battery.

　　2. The car also needs to be driven around frequently.

　　Even if all the electrical systems in the car are turned off, the battery power may be exhausted after the car is parked for a long time. Therefore, even if the car is left idle at home for a long time, the engine must be started regularly. , it is best to sneak on the road for more than 20 minutes, so as to ensure that the battery has sufficient time to charge.

　　3. Wipe it for better health

　　Open the hood regularly and wipe the positive and negative terminals of the battery with a damp cloth (that is, the two exposed silver cylinders connected to a black wire and inserted on the surface of the battery). Regularly wipe the dust, oil, and white powder covering the electrode head with a damp cloth. This not only cleans it, but also effectively reduces the accumulation of white acid-etched powder and protects the battery.

　　4. Before turning off the engine, close the windows

　　The car's windows and sunroof switches are powered by batteries, so it is best to close all windows before turning off the engine instead of closing them after turning off the engine. You can even close the windows by pressing and holding the lock button after leaving the car.

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