NBN Battery Backup

Enhancing NBN Connectivity: Exploring Battery Backup Options

While not all NBN connections come with a battery backup, the option has gained significant popularity for both residential and office setups. This uninterrupted power supply serves as a reliable contingency, ensuring continuous power supply for your landline and internet services. In situations where the main power source is disrupted, this backup system can sustain your connections for up to five hours. This is particularly advantageous for maintaining seamless communication and productivity.

At the core of this backup system lies a compact yet robust fully sealed non-spillable battery. This advanced battery technology ensures safety and reliability, making it an ideal choice for providing consistent power during outages.

Recognizing the Need for Battery Replacement

Over time, the battery in the NBN backup system will require replacement to maintain its effectiveness. Indications of a necessary battery replacement are conveniently signaled. A red light will illuminate beside the 'Replace Battery' marker on the NBN connection box. Additionally, an audible alarm tone will sound at regular intervals – every 15 minutes – serving as a clear reminder that the battery needs to be replaced.

Understanding Battery Status

The frequency of the alarm tone conveys critical information about the battery's remaining charge. If you hear four beeps per minute, this indicates that the battery charge has dropped to less than half of its capacity. Being aware of these auditory cues empowers you to take timely action and ensure uninterrupted connectivity.

Choosing the Right Replacement Battery

When it comes to selecting the appropriate replacement battery for your NBN connection's backup system, a thoughtful approach is necessary. The replacement battery should align with the system's specifications and requirements to ensure optimal performance.

Inquire for Guidance

If you're unsure about the specific replacement battery needed for your NBN backup system, seeking guidance is recommended. Consult the manufacturer's guidelines or reach out to their support for accurate information tailored to your setup. This proactive step ensures that you acquire a compatible replacement battery that meets your connectivity needs.


Embracing a battery backup solution for your NBN connection adds a layer of reliability to your communication and internet services. With the ability to sustain power for up to five hours during power interruptions, this backup system is a valuable asset for both residential and office environments. Stay attentive to the signals indicating a required battery replacement, ensuring that your backup system remains in optimal working condition. By making informed decisions regarding replacement batteries, you can continue enjoying seamless connectivity even in the face of unexpected power outages.

At Battery Solutions Network we recommend the Predator ES1272.

For more information in regards to the NBN power supply battery back up, please use the following links:

NBN Fibre User Guide - PDF

NBN Battery Backup Specification - PDF



If you would like any further information, please do not hesitate to contact us.

Battery Solutions Network

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