The Alarm.com Wireless Video Doorbell (ADC-VDB780B) battery can be charged using a 5V/1.5A USB wall charger and the supplied charging cable.
To charge the ADC-VDB780B battery:
Note: A fully depleted battery takes approximately 7 hours to charge.
Unlatch the bottom of the mount.
Remove the VDB780B from the mount.
Separate the battery pack from the VDB780B body.
Plug the supplied micro USB cable into the battery pack.
Plug the USB end of the cable into a USB wall charger and insert the charger into an outlet.
The charging LED, located on the top of the battery pack, will be solid orange while the device is charging. The charging LED will turn solid green when charging has completed.
Charging state LED guide
Mode description
Top LED Behavior
Button LED behavior
Charging
The battery pack is plugged in and charging.
Solid orange
On button press
Solid green =
>75% charged
Solid yellow =
75%-20% charged
Alternating red and blue = <20% charged
Fully charged
The battery pack is fully charged.
Solid green
On button press, solid green
Failure charging
The battery pack stopped charging because the device was plugged in too long. This may signal that there is an issue with your battery pack. Remove the charging cabled and re-attempt charging after an hour. If you see the same behavior, please contact your provider.
Alternating orange and green
Alternating red and white
Operational temperature range for charging exceeded
The battery pack's internal temperature is either too hot or too cold. Please charge the battery pack in a room-temperature environment.