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1. Aircraft model lithium-ion batteries are urgently used in aircraft models. laypeople refer to them as drone lithium-ion batteries, while insiders refer to them as aircraft model lithium-ion batteries. One of the biggest characteristics of this type of battery is its light weight and its ability to discharge at high rates. It is generally designed and developed from the packaging of polymer lithium-ion batteries. Some aircraft model batteries come with protective plates, while others do not, That is, there is no discharge protection, but it can be perfectly used in conjunction with aircraft model drones.

2. The charging technique for aviation model lithium-ion batteries is to use a dedicated charger, and the battery protection board or dedicated charger has a balance charging function. Only by balancing the charging can the voltage internal resistance of the aviation model lithium-ion battery pack meet the standard. Whether it is a large 22.2V aviation model battery or a 11.1V aviation model lithium-ion battery, this principle must be followed, otherwise the battery can easily break during charging.

3. Why do we need to use balanced charging for aircraft model batteries? Assuming that an aircraft model 3S battery is composed of three 3.7V batteries connected in series, the purpose of balanced charging is probably to make the three of them equal pressure. Why do we have to make the three of them equal pressure? How does balanced charging achieve constant pressure charging? The principle of balanced charging is actually very simple. For example, when using balanced charging for the 11.1V aviation model lithium-ion battery of 3S, it is composed of three 3.7V batteries in series. After overflowing, each battery is 4.2V, and the overall external voltage is about 13V. Balanced charging converts and rectifies the AC power to obtain 13V DC power. Three electrolytic capacitors and voltage sharing resistors are used to divide the voltage of 13V, and 4.33V is obtained on each capacitor. Then, a simple closed-loop circuit is made using a transistor, You can control the charging switch and current level, so that the three battery cells can charge independently.

4. If the lithium-ion battery of an aircraft model is charged in series, it is prone to overcurrent, and the characteristics of multiple cells cannot be completely consistent. Series charging can cause voltage imbalance among each cell, and even cannot be charged. The so-called lithium-ion battery balanced charging is the charging of balancing battery characteristics, which refers to the imbalance of battery terminal voltage caused by individual differences, temperature differences, and other reasons during the use of the battery, In order to prevent the deterioration of this imbalance trend, it is necessary to increase the charging voltage of the battery pack and activate the battery for charging.

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