When your Bell is a new unit or when it runs out of battery power, we recommend charging the device for at least 2-3 hours before using it. Charging from 5% to 100% should take about 5 hours.
The Bell can last for up to 3 months of moderate use on a single charge. This can be considerably shortened by frequent use of the backlight or letting the alarm play long and on high volume.
If your Bell does not sound the alarm or shine the backlight, but the clock's hands are still spinning, it most likely has a nearly empty battery.
To check the battery level, press light click on the main button for 2 seconds. The battery level will be indicated by distinct light and sound combinations:
- 95-100% of battery level
The device will light up and sound 3 times. This means the Bell is fully charged and doesn't need to be charged.
- 50-95% of battery level
The device will light up and sound 2 times. This means there is still enough power and the Bell doesn't need to be charged.
- 5-50% of battery level
The device will light up and sound 1 time. This means the Bell still works and has some power, but will require charging soon. It's a good idea to charge it at this stage to keep it working.
- 0-5% of battery level
The device will flash the backlight 3 times and sound its low battery signal. This means the battery is empty or close to empty and the Bell should be charged immediately.
Low battery warning
When the battery level drops below 5%, the Bell will activate its low level battery warning. Any interaction with the clock will then cause its backlight to flash and the low battery signal to sound. In this mode, the clock's features are limited to time indication and the alarm. The clock then needs to be charged to restore its full functionality. Leaving it in this state will cause the battery to discharge completely.