For those who have Flex units operating while plugged-into AC power and are current experiencing colder than normal temperatures, you might find the following information of interest.
My Flex is mounted outdoors and is always plugged-into AC power. So, the battery status indicator box in the Canary app is normally green and at 100% charge. However, the status indicator box recently turned red, indicating that the battery was not charging, followed by a short line (see image). During this same timeframe, the outside temperature had dropped well below freezing, but I did not recognize this as being related to the battery status change.
Initiating the “Watch Live” results in the following sequence of messages; “Waking up your Canary Flex from battery mode”, followed by, “Establishing your connection”, then, “Loading live stream”, then the live stream appears as normal.
Initially, based on the battery status indicator, it appeared that I had lost the AC power connection, but this connection was operating properly. Having submitted a Ticket with Canary Team, my problem was resolved by the following information provided to by Sarah K. from Canary Customer Experience.
“I see that you normally have the Canary connected to power, which will reflect in your application when temperatures are above 32°F. Due to the chemical nature of the lithium ion battery, when the temperature drops below 32°F the battery cannot be charged because it will cause damage to it. When the temperature drops below this point, the Canary will stop charging but remain connected to the AC to continue powering the Canary. It will show as on battery in the app, but I can see on the system that the device is recognising the cable and has not disconnected from the AC. It will use the AC power, but it will not charge the battery at the same time, so the battery will remain at the same level. The charging behaviour and messages that you are seeing are normal as these steps are set to prevent your Canary from being damaged due to charging. While charging is not safe for the battery below 32°F, it is safe to operate the devices between -4 to 113°F.”