![\"Image\"](\"https://s3.belkin.com/support/dl/RN3049-001_EN_v2.jpg\")
The Belkin Residential Gateway (RG) Battery Backup, BU3DC001 is designed with an easy-access battery door. If you want to replace the battery, you need to remove the battery door located at the back panel of the device. To know more about the Belkin BU3DC001, click here.
This article will guide you on how to properly replace your battery.
Step 1:
Turn OFF the power switch then disconnect the Belkin BU3DC001-12V from the power outlet and any devices connected to it.
Step 2:
Remove the battery door on the back panel of the Belkin BU3DC001-12V by pressing the tab on the top of the battery door and pulling it outward.
Step 3:
Detach the battery from the enclosure and remove the wire connections from the battery.
![\"Image\"](\"https://s3.belkin.com/support/dl/RN3049-002_EN_v2.jpg\")
Step 4:
Connect the new battery (black to black, red to red) then place the battery into the enclosure.
![\"Image\"](\"https://s3.belkin.com/support/dl/RN3049-003_EN_v2.jpg\")
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IMPORTANT: Make sure that you properly connect the wires to the correct terminals. The replacement battery has color-coded terminals (the red portion is indicated by + and the black one is -). Connect the black wire to the black terminal and the red wire to its corresponding terminal as well.
Step 5:
Re-install the battery door properly.
![\"Image\"](\"https://s3.belkin.com/support/dl/RN3049-004_EN_v2.jpg\")
You should now have replaced your Belkin BU3DC001-12V Battery Backup.
Related Article:
Belkin US Warranty Replacement Program
| Status light indicator | Description |
| Protected | The Protected light indicates that your surge protector is functioning correctly and is providing protection to the devices you have connected to it. \t\t\t \t\t\tThis light should remain ON as long as the surge protector is plugged into an outlet and is turned ON. If this light goes out at any time, it means that your surge protector has served its purpose on protecting your equipment against damaging voltage fluctuations, surges, or spikes. If this happens, your surge protector should be replaced. |
| Grounded / Earthed | The Grounded or Earthed light indicates that your surge protector is connected to a properly grounded outlet. If this light is not ON, you may have a ground-wiring problem and should contact an electrician to inspect and properly ground the outlet. |
| Not Grounded / Not Earthed Light | The Not Grounded or Not Earthed light indicates that your surge protector is not connected to a properly grounded outlet. If this light is ON, you may have a ground-wiring problem and should contact an electrician to inspect and properly ground the outlet. |
| Over-Voltage ( + ) and Under-Voltage ( - ) | The Over-Voltage and Under-Voltage lights indicate that your surge protector has detected an issue with the incoming voltage levels from your wall outlet. Depending upon your region, your surge protector expects a voltage of 120V or 240V. Fluctuations in power are normal but if your surge protector detects a voltage outside a safe level it will inform you via these lights.\n\t\t\t
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| Inrush Current / Over-Current | The Inrush Current / Over-Current light indicates that your surge protector has detected a large electrical current being drawn by a device plugged into it. For example, if you have an electrical appliance such as a space heater plugged into your surge protector and it has an internal electrical short, it may draw more current than what is safe when you turn it ON. The surge protector will detect and warn you of this. \t\t\t \t\t\tThe light may appear as a simple warning or as a Wait To Reset message depending upon your surge protector model. |