symptom

充电器在插入或移除battery时摇晃、滑动、从screws上抬起或拉开,尽管后部钥匙孔槽和外壳可见完好。

充电器在插入或移除 screws 时摇晃、滑动、从 screws 上抬起或拉开 移除 battery,拔掉充电器电源,将其从墙上取下;在安装确认安全前,请在坚硬的桌面上使用。

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