How to Choose a Suitable Mobile Power Supply Shell for Customization

With the improvement of people's living standards, electronic products are essential digital tools for daily life and work, such as mobile phones, computers, etc. However, in situations where it is inconvenient to charge during business trips, travel, and other occasions, insufficient battery power of mobile phones and computers has always been a problem for consumers. However, the power bank that has emerged in the past two years has completely solved this confusion for consumers.

Power bank is a very compact mobile phone backup tool. Currently, there are many power bank brands on the market, and the appearance and size directly affect portability. Safety and quality are related to the actual use safety of users, which will become factors that affect consumers' purchasing.

The following four points are summarized on how to choose a good power bank when customizing the mobile power supply casing: flame retardancy and heat dissipation of the casing, quality certification, qualified performance indicators, and charging and discharging stability.

1. Shell flame retardancy and heat dissipation. When choosing a power bank, users must consider whether its shell is conducive to heat dissipation and whether it is flame retardant. Because the power bank generates a certain amount of heat internally during operation, if it cannot be dissipated in a timely manner, long-term accumulation inside will cause temperature rise, accelerate the aging of internal electronic components, and easily cause risks such as short circuits and combustion. According to plastic news reports, when choosing a plastic shell power bank, it is necessary to ensure that its shell is made of PC/ABS material, because this type of material's shell will not support combustion when encountering an open flame, Allow users a certain buffer time to escape danger.

PC/ABS plastic casing has flame retardant properties

2. Quality certification. It is very important whether the power bank passes quality certification when leaving the factory. It is not only a test of product quality, but also a reflection of brand strength. Small brand products are unable to bear these certification costs. So, it is also a way to distinguish between replacing a power bank from this aspect. Usually, larger brand products of higher quality are chosen because small workshops or counterfeit products do not invest too much in the outer shell. Generally, products with strong capabilities will undergo RoHS, FCC, CE, UN38.3, and other product certifications.

3. Qualified performance indicators. A qualified power bank must pass the standard qualified performance indicators. Firstly, the capacity should not be inflated, secondly, the conversion rate should be good, and finally, the charging and discharging performance should be stable. Plastic information indicates that only by passing strict testing standards for all performance parameters of the power bank can users be guaranteed normal use.

4. Charging and discharging stability. In order to enable consumers to visually distinguish the discharge performance of the tested power bank, we will organize its discharge situation into a discharge curve. As shown in the above figure, it can be easily seen that the curve on the left is significantly better than the one on the right: the flatter the discharge curve, and the closer the voltage is to 5V, the better the actual discharge performance of this product.

Summary of customized mobile power supply shell: The shell of the power bank has flame retardancy, heat dissipation, and quality certification, which consumers can distinguish with their naked eyes; However, for qualified performance indicators and charging and discharging stability, consumers can only rely on professional evaluation institutions or media to obtain the information they need. Therefore, we suggest that everyone still purchase well-known old and large brands. The production process of these products is more mature, and most of them can withstand testing. They have more strength and qualifications to pass various certifications.