Packing: rotating 6 balls
This is the battery of the hearing aid made by Maxwell itself.
The ZinC-Vo battery for hearing aids is driven by zinc and battery, so there is always an electric insulation film in the process of negative electrode treatment and packaging of the battery, so that the battery can seal air, avoid releasing energy, and activate the battery only by disassembling the diaphragm.
Batteries are used for different types of batteries, and small batteries are usually faster than large batteries. The battery life varies according to the power of each machine and the time spent by the user.
Usually, hearing batteries can vibrate for 6-15 days and last for 16 hours a day.