Why are disposable button batteries so unfriendly to the environment? Why can't products such as remote controls, Bluetooth mice and keyboards directly have batteries built into them, and then be recharged and reused when the batteries are dead?!??

There is no doubt that most of the Bluetooth mice, keyboards and controllers use dry batteries or button batteries. I think the most important thing is not to use built-in rechargeable batteries and charge them directly when there is no power. That is to say, because the controller, Bluetooth mouse and keyboard are quite different from other recharging equipment such as mobile phones, battery cars, etc., that is to say, the controller, Bluetooth mouse and keyboard consume a lot of energy. Smaller.

Generally, the battery management system inside the equipment will determine the remaining power consumption of the battery based on the change of operating voltage to prevent the battery from overcharging and discharging. Overcharging and discharging means that the battery exceeds the charge limit during the charging and discharging process. The battery has exceeded the final threshold of charging and discharging of the rechargeable battery. Recharging and discharging will cause the internal pressure of the rechargeable battery to rise. Too many lithium-ion batteries from the positive stage of the rechargeable battery are transferred to the negative stage, causing the positive electrode material structure to collapse. The cross-functionality of grade-specific chemical substances is destroyed, causing the internal volume of the battery to drop sharply. The battery management system of mobile phones or other rechargeable devices will ensure that such a thing does not happen when the device is used. It cannot be started when the power consumption exceeds the threshold to avoid damaging the battery power.

Unlike mobile phones, the current of controllers and Bluetooth mice is very small, and the voltage decreases slowly. The voltage affected by this very small current is compared with the voltage affected by normal current. It is even more difficult for the battery's protection circuit to make accurate judgments, prompting the battery system to achieve a maintenance function, so the internal power of the battery has been overcharged and discharged. This kind of loss has a huge impact on the battery and is very easy to Let this rechargeable battery become a primary rechargeable battery.

If the manufacturer is willing to equip the mouse and controller with this built-in battery, then it does not matter what type of battery the battery uses. Most of them are lithium-ion batteries, and then the low-voltage alarm threshold is increased. This leads to the improvement of processing technology and technical expenses, which increases the cost. This Bluetooth mouse is no longer the same price as using batteries and using batteries. The difference is at least one-fifth more expensive, which has led to many converted manufacturers to choose equipment to make dry batteries in order not to fall behind in price competition with competitors. Putting it on the controller itself is a spiritual sustenance for the manufacturer. During manufacturing, we will not be willing to make high-cost controllers to increase the cost of the entire product. After all, this is a time of price competition.

I think in summary, relatively speaking, the cost of Bluetooth mice and controllers is not high, and the sales price is relatively cost-effective. The controller is also an accessory product. Using rechargeable batteries will only increase the cost. For manufacturers, This statement is inconsistent with rights. In other words, this sentence means that the technology is limited due to cost. Also because the iteration of these devices is of little significance, today's controllers still use batteries. I To put it simply, the use of dry batteries is simpler and more cost-effective than lithium batteries.