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If batteries are not used for a long time, keep them at room temperature after charging.
If you want to use again after leaving them for a long time, it is recommended to use them after fully
charging.
Keep in mind that WPU-7700 can produce much heat while using for a long time.
Do not install WPU-7700 in heavily shaking places.
It can cause performance degradation, or reduce the life of products.
After using WPU-7700 for a long time, they can produce a weak sound due to their liquid crystal
protective vinyl covering the speaker.
If WPU-7700 are separated from AP or chargers for a long time, they cannot work due to battery
discharge.
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