Button battery box structure three characteristics
Release time:
2024-03-21
Although the button battery box is only an accessory as a button battery, it is often overlooked, but it plays an important role in supporting the work of the button battery that has attracted much attention. The function of the battery box is mainly to reduce the damage of vibration, heat, shock, moisture and corrosion of the battery. Therefore, the requirements for the button cell box are very strict, so what are the structural characteristics of the button cell box.
Although the button battery box is only an accessory as a button battery, it is often overlooked, but it plays an important role in supporting the work of the button battery that has attracted much attention. The function of the battery box is mainly to reduce the damage of vibration, heat, shock, moisture and corrosion of the battery. Therefore, the requirements for the button cell box are very strict, so what are the structural characteristics of the button cell box.
1. button battery retention and removal
A well-designed coin cell case must be resilient enough to allow easy battery replacement while resisting shock and vibration. Unfortunately, these criteria are often contradictory, as better retention equates to more difficult disassembly. Please look for a battery compartment with a function that facilitates battery removal.
It is particularly important to test the battery box in the field. If the button cell case is in your hand, instead of being soldered to a printed circuit board and surrounded by other components and cases, the battery is usually much easier to remove.
2. battery box durability
The durability of the battery case is particularly important for applications that may require frequent battery replacement during the expected life of the product. This problem is further exacerbated if the battery case uses a very high clamp due to increased wear during battery insertion and removal. If your application requires relatively frequent battery replacement, look for the number of cycles that this battery pack has been tested.
All battery cases should have polarity protection so that there will be no contact if the battery is inserted incorrectly. This becomes even more important if multiple battery replacements are expected.
3. conductivity and corrosion resistance
Exposure to excessive heat and humidity, corrosive chemicals, or airborne contaminants can often cause problems related to corrosion build-up, which can negatively impact electrical performance. To minimize these effects, choose a battery case made of corrosion-resistant material. The presence of metals with different electrochemical properties may further exacerbate the corrosion problem, leading to galvanic corrosion. The impact of these effects can be minimized by using insulators or gold plating.
Metals that conduct well, such as gold, may offer unexpected additional advantages. They have less friction, which reduces the force during insertion. Although the shell and contact shape are the main source of force during insertion, when all other factors are the same, gold and similar materials require less force than tin and copper.
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