If you have a battery system with backup capability, it provides seamless protection during a power cut.
How it works:
- Automatic switchover — when the grid goes down, the battery detects the outage and takes over in a fraction of a second (typically under 20 milliseconds). You may not even notice the switch.
- Essential circuits — the battery powers your designated essential circuits, which typically include lights, Wi-Fi router, fridge/freezer, phone chargers, and other critical devices
- Duration — how long the backup lasts depends on your battery capacity and how much power you are drawing. A fully charged 10 kWh battery can keep essential circuits running for many hours
Important considerations:
- Not all batteries include backup — backup power (also called EPS or Emergency Power Supply) is a feature that must be designed into the system. We ensure this is included if backup is important to you.
- Solar extends the backup — if you have solar panels, they can continue to charge the battery during a daytime power cut, potentially extending your backup indefinitely during daylight hours
- Whole-house vs essential circuits — most domestic systems back up selected essential circuits rather than the entire home. We discuss which circuits matter most to you during the design stage.
