I believe that many netizens have expressed doubts about this issue. Single-use button batteries are inconvenient and not environmentally friendly. Why has the current technological progress developed to this level, and controllers, Bluetooth mice and keyboards, etc. As if it has been ignored, what about always using button batteries multiple times? In fact, no matter how you avoid this problem, it is inseparable from the cost.

Why do products such as Bluetooth mice now use primary button batteries or dry batteries?

There are many primary button batteries. In addition to their personal advantages, it also means that when paired with special power-consuming equipment, rechargeable batteries are more expensive when purchased for the first time! For example, 1. Ordinary dry batteries (alkaline zinc-manganese batteries): use Take controllers, toys, etc.! The price is very good, the raw materials are widely sourced, and the processing technology is mature. The most important thing is that the storage performance is good! Even if you keep it for a year or two, you can tear it up when you want. Just package it and it can be used! 2. Button battery (zinc-zinc battery): The capacity is not large and the energy density is higher than ordinary batteries. It is a good choice for many commercialized electrical products such as watches and pacemakers. 3. Storage rechargeable battery: military For special purposes...the battery has no life at all when not in use, and it will be normal after 10 years of storage. It is activated when used. It stores electricity for a thousand days, and uses electricity for a while! Many people look at it and add other things -