Community contributors: 吴华, apple, 添财猫猫Kitty, 昆哥
Summary
Key Points
Why it matters: 很多老款 FTTP 架构的 NBN 设备配备有备用电池，警报提示音常给房东或租客带来困扰，了解电池规格与更换渠道可节省不必要的物业管理及人工费。
部分澳洲住宅安装的 FTTP NBN 设备含有备用电源盒，当电池老化时会发出警报声。更换该电池无需昂贵的人工服务，房东可自行前往电商平台或电子用品店购买同规格密封铅酸电池更换。若通过物业经理安排，则需注意相关人工服务费用的合理性。
Practical Takeaway
Use this note as a practical prompt before making decisions. Check the rules in your state, keep written records, and seek qualified advice where needed.
Disclaimer
This note is edited by APOA from community discussions with private details removed where possible. It is general information only and is not legal, tax, financial, or property management advice.